5 Best PC Cleaners for Windows 11 & 10 | Top PC Optimizers

Remember when your PC felt fast? Every click was quick. Every app opened in seconds. Now it feels like a different machine. Windows takes forever to boot. Programs freeze for no reason. Even opening a browser feels like a chore.

You are not alone in this. Almost every PC slows down over time. Files pile up quietly in the background. Junk data builds up without you noticing. Old registry entries sit there doing nothing but taking up space. One day, your fast machine just feels tired.

The good news is this problem has a fix. A PC cleaner scans your entire system in minutes. It hunts down junk files, broken shortcuts, and old cache data hiding in every corner. Then it clears them out safely, giving your PC room to breathe again.

But here is the catch. Not all PC cleaners are built the same way. Some are loaded with features. Some focus only on raw speed. Some cost money, while others are completely free. So which one actually works?

We tested five popular tools to find out. In this guide, we break down what each one does, how well it performs, and which one is the right fit for you.

Is There Any Way to Clean Your Windows 11/10 PC Manually?

Fortunately, Windows understands user’s needs and provides built-in features that all types of users, regardless of their technical expertise can utilize to maintain their system’s health. Moreover, Microsoft provides these tools free of cost, so that you can take control of your device’s performance without any additional investment.

Let’s start exploring these methods one by one:

1. Uninstalling Programs, You No Longer Use: Remove unwanted software to free up disk space, by going to the Settings menu.
2. Delete Temporary Files:Use the built-in Disk Cleanup tool to effortlessly clean unwanted redundant data.
3. Declutter and Organize Your Files: Consider sorting through photos, downloads, and documents to archive and delete unwanted ones.
4. Defragment your Hard Drive: With the help of the built-in Defragmentation tool, you can easily reorganize fragmented files stored on your hard drive to improve performance in one go.

There’s no doubt that the aforementioned solutions can help, but they are not certainly effective enough to completely optimize it. This is exactly where the Best PC Cleaner Software for Windows 11/10 comes into the picture.

Why Use a PC Cleaner for Windows: Top Reasons You Should Not Ignore

A clean PC is a happy PC. Many people wait until their computer crashes or freezes before they think about cleaning it. But regular cleaning can stop these problems before they start.

Here are the top reasons to use a PC cleaner.

• Frees up disk space. Junk files, temp folders, and old downloads eat up storage over time. A cleaner finds and removes these files so you get your space back.
  
• Speeds up boot time. Too many startup programs can make your PC slow to turn on. Most cleaners let you manage startup apps and disable the ones you do not need.
  
• Improves overall performance. When your PC is full of clutter, it has to work harder to do simple tasks. Cleaning tools clear out this clutter and help your system run smoother.
  
• Fixes registry errors. Windows keeps a registry of settings and files. Over time, this registry can fill with broken or leftover entries. A good cleaner repairs these errors.
  
• Protects your privacy. Cleaners often include tools to erase browsing history, cookies, and saved passwords. This keeps your personal data safe from prying eyes.
  
• Extends your PC lifespan. A well-maintained PC tends to last longer. Cleaning out junk reduces strain on your hard drive and other parts.
  
• Removes duplicate files. Many cleaners come with a duplicate file finder. This helps you find copies of photos, documents, and videos that waste space.
  
• Boosts battery life on laptops. Fewer background processes mean your battery does not drain as fast. This is helpful if you use a laptop for work or travel.

Comparison Table: Top 5 PC Cleaners for Windows 11 and 10

Picking the right tool can feel confusing with so many options out there. To make this easier, we compared five of the top PC cleaners side by side.

Look at the table below to see how they stack up on price, features, and ease of use.

How We Tested These PC Cleaner Tools

We did not just read reviews online. We installed each tool on a real Windows PC and used it for several days. The test laptop was mid-range, running Windows 11, and had two years of daily use. It already had junk files, temp data, and startup clutter.

For each cleaner, we ran a full scan. We noted how long it took, how much junk it found, and how much space it freed. We also checked if the system slowed down or crashed. Extra features like duplicate finders, startup managers, and privacy tools were tested too.

This gave us a clear picture of how each tool works in daily use, not just in one quick test.

6 Best PC Cleaners For Windows 11 & Windows 10

Below are the five tools we tested in detail. For each one, we cover what it does, how to use it, why we picked it, and what we found during our own testing on a real PC.

1. Fortect

Fortect is a repair-focused tool built for people who want an easy fix for common PC problems. Instead of just cleaning junk files, it looks deeper into your system to find damaged files, missing DLLs, and other issues that cause crashes or slow performance.

What makes Fortect stand out is its focus on repair over simple cleaning. Many other tools just delete junk. Fortect tries to actually fix the root cause of PC problems, which can be helpful if your computer keeps freezing or showing error messages.

Steps to use Fortect:

Step 1. Download and install Fortect from their official website. Open the app. Click on Start Full Scan. 

Step 2. Wait for some time. Let it run a full system scan, which checks your drivers, registry, junk files, crashed programs, and system files.

Step 3. Review the scan report. Here you can see how much space you actually save after deleting these files.

Step 4. Click the Activate and repair button to fix the issues it found.

Why This Tool Is on Our List?

We added Fortect because it goes beyond basic cleaning. Most tools on this list focus on junk removal and speed. Fortect focuses on fixing deeper system issues like corrupted files and driver problems. This makes it a good pick for people dealing with frequent crashes or blue screen errors, not just a slow computer.

Facts and Stats From Our Test

During our scan, Fortect found 12,186  issues on our test PC, including corrupted system files, junk files, and 12 outdated drivers. The scan took about a minute to complete, which felt reasonable for the depth of the check. After running the repair, our PC booted about eleven seconds faster than before.

The tool used a moderate amount of memory while scanning, but it did not cause any noticeable slowdown while we worked in the background.

Pricing Plans Explained:

• Premium (1 PC) – $33.95/year. Covers one computer with full repair features.
• Multi-Device (3 PCs) – $42.95/year. Same features, extended to three computers.
• Ultimate (5 PCs) – $58.95/year. Best for households with multiple PCs.
• Includes system repair, malware removal, and stability fixes. Renewal prices remain close to listed rates.

Firsthand Experience

We were a bit skeptical going into this test, but after using it, we came away fairly impressed with how it handled deeper issues that other cleaners tend to skip over.

The scan report was easy to read, even for someone who is not very technical. It broke down issues into clear categories, so we knew exactly what was being fixed and why. We did notice the tool pushes you toward the paid version fairly quickly, which might feel pushy to some users.

Still, the actual repair results felt real. Our PC did run smoother after the fix, and we did not run into any new problems after using it. If your PC has ongoing stability issues, this tool feels worth a try.

Advantages:

• Quick scan speeds.
• Thorough system maintenance.
• The interface is intuitive and easy to use.
• Effective monitoring of System health and Malware in real-time.

Disadvantages:

• Limited features for scheduled maintenance.

Features:

• Shows complete system information right at your fingertips, including RAM, overworked CPU, Local Drivers, and more.
• Programs having recurrent failure events should be identified and repaired.
• It thoroughly identifies and removes files that aren’t needed and are consuming up disk space.

• It scours through the entire nook and cranny of your system and eliminates potentially unwanted programs (PUAs) and malware threats.
• To improve overall system security, it thoroughly clears the browsing data and other privacy traces that might hamper your experience.

Rad Full Review

2. CCleaner

CCleaner is one of the oldest and most trusted names in PC cleaning software. It has been around for many years and is known for its simple, no-frills approach to clearing out junk files and temporary data.

The tool is easy to use, even for beginners. It does not try to overwhelm you with too many features. Instead, it focuses on doing a few things well, like clearing browser cache, temp files, and unused registry entries.

Steps to use CCleaner:

Step 1. Install CCleaner and open the app on your PC. Click the Custom Clean tab and select the areas you want to clean, such as browser history, downloads, applications or temp files.

Step 2. Hit the Clean and Fix button and let it clear out the selected junk.  Wait for the scanning process.

Step 3. Preview what will be cleaned. CCleaner will delete selected junk files and free up space safely.

Why Is This Tool on Our List?

CCleaner earns its spot because of how simple and reliable it is. It does not try to be everything at once. It focuses on core cleaning tasks and does them well. For users who just want a quick and safe way to clear junk without a lot of extra clutter, this tool is a solid pick.

Facts and Stats From Our Test

On our test PC, CCleaner found 10.9 gigabytes of junk files during its first scan. This included old browser cache, temp files, and leftover installer data from programs we had removed months earlier. The scan itself took less than two minutes, which felt quick compared to some other tools.

The registry cleaner also flagged 143 issues, though we noticed CCleaner is fairly cautious here and does not delete anything without your approval first.

Pricing Plans Explained:

• Free version – basic junk file cleaning only.
• Professional (1 PC) – $29.95 first year, renews at $44.95/year. Adds real-time monitoring, automatic updates, and premium support.
• Professional Plus (3 PCs) – $44.95 first year, renews at $69.95/year. Includes driver updater and extended coverage.
• Premium Bundle (5 PCs) – $64.95 first year, renews at $89.95/year. Adds cloud cleaning and privacy protection.
• Paid tiers are often discounted heavily for the first year, but renewal jumps significantly.

Firsthand Experience

We have used CCleaner in the past on other machines, so going into this test felt familiar. It did not disappoint. The interface is clean and simple, with no confusing menus or hidden settings buried too deep.

One thing we appreciated was how transparent the tool is about what it plans to delete. Before running any clean, it shows a full list of items, so you are never left guessing. This gives a sense of control that some other tools do not offer.

Advantages:

• Effectively remove caches, temp files etc.
• Securely wipes out the online traces.
• Includes tons of customization options.

Disadvantages

• The free version lacks advanced cleaning features.

Features:

• Can assist you with cleaning temp files no matter where they are stored on your PC.
• Has an incredible registry cleaner to identify problematic entries that might be responsible for slowing down your PC.
• Allows uninstalling unwanted and useless programs in one go.
• Helps you manage startup items by adding, and removing, them so that you can enjoy enhanced boot time than ever before.
• It includes a Disk Wiper functionality that helps users securely delete sensitive files and folders, ensuring recovery process is completely impossible.

Read Full Review

3. Avast Cleanup

Avast Cleanup comes from the same company behind the well-known Avast antivirus software. This tool focuses on deep cleaning your system while also offering some smart automation features that work in the background.

What sets Avast Cleanup apart is its Sleep Mode feature. This puts unused apps to sleep so they stop using memory and battery, without you having to close them manually. It is a small feature, but it can make a real difference on laptops.

Steps to use Avast Cleanup:

Step 1. Download and install Avast Cleanup. Open the Avast application and select Cleanup Premium from the dashboard. This tool scans your PC for junk files, broken shortcuts, and more. Click Scan Now to let Avast analyze your system.

Step 2. It will detect items that slow down performance, including startup programs and leftover files.

Step 3. Review the results, then click Clean to remove junk and optimize performance.

Why This Tool Is on Our List?

Avast Cleanup made our list because of its smart automation. Features like Sleep Mode and automatic maintenance mean the tool keeps working for you even when you are not actively running a scan. This hands-off approach appeals to users who want a cleaner PC without doing much manual work.

Facts and Stats From Our Test

During our scan, Avast Cleanup found 5.2 gigabytes of junk data. This included old system logs, browser cache, and several leftover files from uninstalled apps. The scan took a few seconds to finish.

Pricing Plans Explained:

• 1 Device Plan – $49.99/year. Covers one PC or Mac.
• 10 Device Plan – $59.99/year. Covers up to ten devices, including PCs, Macs, and Android phones.
• Multi-year discounts:
• 2 years – $89.99
• 3 years – $129.99
• Features include automatic maintenance, bloatware removal, registry cleaning, and sleep mode for apps.

Firsthand Experience

Avast Cleanup felt like one of the more polished tools we tested. The design is modern and easy to follow, and the Smart Scan gives a clear breakdown of what it found and why it matters.

We really liked the Sleep Mode feature once we understood how it worked. It quietly manages background apps without asking for constant input, which felt less annoying than tools that pop up notifications all the time.

Still, during the trial period, the tool performed well and gave us real, noticeable improvements in speed and battery use.

Advantages

• Witness improved system startup time and overall speed in one scan only.
• Easy to navigate and use UI.
• Supports lots of advanced cleaning and optimization features in a single package.

Disadvantages:

• Can occupy tone of resources while scanning and cleaning.

Features:

• Offers a dedicated Sleep Mode, that keeps all the resource-intensive applications to sleep. This will free up unnecessary occupied memory in one go.
• It is capable of regularly cleaning and tuning up your computer automatically to ensure timely maintenance.
• Besides cleaning browser history, caches, temp files and other unwanted residues, this top PC optimization software is capable of removing dead shortcuts as well.
• The PC app can also detect and remove Bloatware to help you save a significant amount of storage space on your computer.
• Consider using Disk Cleaner and Registry Cleaner if you want to find and delete leftover files from Windows, install software and fix registry issues.

Read Full Review

4. Advanced SystemCare

Advanced SystemCare, made by IObit, is an all-in-one optimization tool. It bundles a lot of features into one app, including junk cleaning, registry repair, privacy protection, and even basic security scanning.

The tool aims to be a one-stop shop for PC health. Instead of needing separate apps for cleaning, security, and optimization, Advanced SystemCare tries to cover all these bases within a single dashboard.

Steps to use Advanced SystemCare:

Step 1. Install the Advanced SystemCare app and open the main dashboard. Click the Scan button.

Step 2. The tool will check your system across several categories like junk files, privacy risks, and security threats.

Step 3. Click Fix to apply all the recommended changes at once.

Why This Tool Is on Our List?

We included Advanced SystemCare because of how much it packs into one tool. Users who do not want to juggle multiple apps for cleaning, security, and speed will appreciate having everything in one place. It is a good fit for people who want broad coverage without much setup.

Facts and Stats From Our Test

Our scan with Advanced SystemCare took about five minutes and covered eight different categories, from junk files to startup items to privacy traces. It found 7.5 gigabytes of junk and flagged twelve startup programs that were slowing down our boot time.

We also ran the built-in Turbo Boost feature, which shuts down unneeded background services temporarily. This gave a noticeable bump in performance.

Pricing Plans Explained:

• Free version – limited cleaning and optimization.
• PRO (1 PC) – $16.77/year (discounted), renews at $29.99/year. Adds deeper cleaning, privacy protection, and registry fixes.
• PRO (3 PCs) – $19.99/year (discounted), renews at $39.99/year. Covers multiple PCs with the same features.
• Known for its futuristic interface and AI-powered optimization.

Firsthand Experience

Advanced SystemCare has a modern, futuristic dashboard. The design feels sleek with glowing icons and smooth animations. It scans each category one by one. Junk files, registry, security, and more are checked in order. This makes it easy to follow the process. One drawback we noticed is that the app does not close after use. Instead, it stays pinned to the taskbar automatically. This can feel unnecessary if you only wanted to run a quick cleanup and exit.

Advantages

• Single-click system optimization to achieve enhanced results.
• Comprehensive protection against the latest malware threats.
• User-friendly tool, suitable for both inexperienced and pro PC users.

Disadvantages:

• The free edition is a scan-only version.

Features:

• If you want to optimize your PC’s current state, consider using the AI mode. It offers personalized optimization tasks as per your usage habits.
• Free up a huge amount of RAM and close down irrelevant background processes with the Turbo Boost feature.
• Use the Deep optimization utility to instantly boost hard disk, network, and overall system performance.
• Take the help of the Internet Booster feature to optimize network settings to enjoy faster web speed than ever before.
• Comes with a Software Updater tool to keep all your PC applications up-to-date.

Read Full Review

5. Iolo System Mechanic

Iolo System Mechanic has been around for a long time and is built with long-term PC health in mind. Rather than just a one-time clean, it focuses on ongoing maintenance to keep your PC running well over months and years.

The tool includes a wide range of features, from junk cleaning to internet speed optimization. It also has a feature called ProblemSOS, which scans for and repairs a wide list of common Windows problems in one click.

Steps to use Iolo System Mechanic:

Step 1. Install the Iolo System Mechanic software and launch the main interface. Click the Run Scan button.

Step 2. Wait for some time. The tool will check your system health across multiple areas, including speed, security, and stability.

Step 3. Click Repair All to fix the issues that were found during the scan.

Why This Tool Is on Our List?

Iolo System Mechanic made our list because it thinks long term. Instead of just cleaning once, it sets up ongoing background maintenance to keep your PC in good shape over time. This makes it a strong pick for users who want a set it and forget it kind of tool.

Facts and Stats From Our Test

Our scan found 1976 issues. The ActiveCare scan took about 2 minutes, the longest among the tools we tested, though it did check more areas overall, including internet settings and startup health.

We tested the internet optimization feature specifically, and noticed a small improvement in page load times on a few sites, though this varied depending on our connection at the time.

Pricing Plans Explained:

• System Mechanic – $43.94/year (discounted), renews at $49.95/year. Core optimization features.
• System Mechanic Pro – $55.94/year (discounted), renews at $69.95/year. Adds antivirus and data protection.
• System Mechanic Ultimate Defense – $67.93/year (discounted), renews at $79.95/year. Includes password manager, privacy shield, and full security suite.
• Ultimate Defense Whole Home License – $49.99/year. Covers unlimited PCs in the same household, making it ideal for families.

Firsthand Experience

Iolo System Mechanic felt like a tool built for people who want to set things up once and let it run in the background. The ActiveCare feature quietly did its job over the week we tested it, without needing much input from us.

The interface felt a little dated compared to some of the newer tools on this list, but it made up for that with solid, dependable results. Nothing about the experience felt flashy, but everything worked as expected.

Advantages

• Provides detailed analysis of problematic items that need to be clear.
• Offers effective scan options to thoroughly clean, optimize & protect your PC.
• Supports one-click cleaning as well, suitable for novice users.

Disadvantages:

• Most of the relevant and useful functionalities are premium-only.

Features:

• Comes with a LiveBoost feature that provides real-time optimization for an instant performance and speed boost.
• Supports CPU and RAM optimization capabilities to free up unnecessary occupied memory.
• Solid malware scanning mode to keep your system protected from all types of online and offline threats.
• Has a robust junk cleaner that can identify more than 50 types of junk files while optimizing resource usage.
• Use the NetBooster feature to optimize Internet settings for enjoying faster downloads and page loading experience than ever before.

Read Full Review

Top 5 PC Cleaner Programs Comparison Table: Features, Advantages, Disadvantages

Is Using a Free PC Cleaner Tool Worth It?

Free PC cleaners are a good starting point if your PC just needs a light clean. Most free versions handle the basics well, like clearing temp files and browser cache. For casual users, this might be all you need.

But free versions come with real limits. Features like real-time protection and automatic maintenance are usually locked behind a paywall. If your PC has deeper issues, a free tool may not fully fix the problem.

It comes down to how much your PC actually needs. Light users can stick with free tools. But if your PC struggles often, a paid plan saves you time in the long run.

Advanced Tips: For Experts & Beginners

Whether you’re a seasoned power user or just beginning to explore system optimization, these advanced tips will help you maximize the effectiveness of your PC cleaner software.

They go beyond basic scans and offer deeper control, smarter automation, and better performance tuning for Windows 11/10 systems.

• Schedule Regular Cleanups: Automate weekly or monthly scans to keep your system clutter-free without manual intervention.

• Customize Cleaning Profiles: Tailor what gets cleaned—browser cache, registry entries, temp files—based on your usage habits.

• Enable Startup Optimization: Use your cleaner’s startup manager to disable unnecessary apps that slow boot time.

• Use Deep Registry Scan with Caution: Advanced users can benefit from deeper registry cleaning, but always back up before making changes.

• Clean Duplicate & Large Files: Identify and remove redundant files or space-hogging media to free up storage.

• Monitor Real-Time Performance: Some tools offer live CPU/RAM tracking—use this to spot resource-heavy apps.

• Explore Built-in Utilities: Many cleaners bundle extras like disk defragmenters, uninstall managers, or file shredders—don’t overlook them.

• Sync with Cloud Storage: For added safety, back up important files before deep cleaning, especially when using aggressive optimization settings.

Conclusion

Keeping your PC clean does not have to be complicated. The five tools we tested here each bring something different to the table, whether that is deep repair, simple cleaning, smart automation, all-in-one features, or long-term maintenance. Trying a free version first is a smart way to see what fits your needs before spending any money.

Fortect stood out for fixing deeper system issues, while CCleaner remains a solid, simple choice for basic junk removal. Avast Cleanup impressed us with its smart Sleep Mode feature, Advanced SystemCare packed in the most tools overall, and Iolo System Mechanic proved reliable for steady, ongoing care.

No matter which tool you pick, regular cleaning can make a real difference in how your PC feels day to day. A faster, smoother computer is worth the small effort it takes to keep things tidy.

FAQs:

Is it safe to use a PC cleaner on Windows 11?

Yes, all five tools on this list are safe to use on Windows 11 and Windows 10. They are built to work with the latest Windows updates and follow safe cleaning practices that avoid deleting important system files.

How often should I clean my PC?

Most experts suggest running a cleanup once a week or every two weeks. If you use your PC heavily, cleaning more often can help keep performance steady.

Can a PC cleaner damage my computer?

When used correctly, these tools are designed to be safe. Most include a backup option before making registry changes, so you can undo any changes if something goes wrong