The Best PC Cleaner Software for Windows
Discover our top picks for the best PC cleaning and optimization tools for your Windows computer, both free and paid, and speed up your device the easy way.
Free up space and speed with our PC cleaner
Try Avast Cleanup Premium for free — no credit card needed. Clean up and optimize your device’s performance with our PC cleaner to claim back storage space and make your computer work better for longer.
Get your PC back to running like new:
Clean out junk for more storage space.
Enjoy faster performance from your PC.
Set up automatic maintenance.
Make your Windows PC cleaner and faster
Your PC isn’t getting any younger. Fix what’s slowing you down with Avast Cleanup Premium’s patented breakthrough technology.
Puts apps to sleep
Removes bloatware and forgotten programs
Defrags and optimizes your hard drive
What’s slowing down my device?
The more programs you install and use, the slower your PC becomes for three main reasons.
Startup items
Many programs run automatically when you turn your PC on, significantly slowing its startup time.
Background processes
Programs could be running in the background even when you’re not using them, hogging your PC’s memory and CPU.
Scheduled tasks
Your software often sets its own schedule and can suddenly come alive, using up resources and slowing down your PC.
Improve your PC’s performance with Sleep Mode
Our PC tune-up process detects performance drains and stops them for you, without making you uninstall programs or interfering with your PC.
Time to sleep
Switch on Sleep Mode to freeze any program that’s slowing you down. While asleep, it won’t use up any resources.
Wake up
Launch the program you put to sleep, and let our smart algorithm automatically enable all of its background activity.
...and back to bed
Once you’re done using the program, we automatically put it back to sleep to stop it from slowing you down.
The more programs you put to sleep, the fewer you’ll have running in the background, and the faster your PC will be.
Remove junk programs and bloatware
Identifies bloatware and long-forgotten programs
Your PC could be slowed down by programs you haven’t used in ages or never wanted in the first place — trial versions, unwanted toolbars, or preinstalled software. These are a waste of space and speed, and may even be a security risk. Our new Software Cleanup feature gets rid of them once and for all.
Clean it all up
Take the guesswork out of figuring out which programs you no longer need with our cloud-based reputation and unneeded-program detection systems. If you’re afraid to uninstall, we can temporarily put files in quarantine until you decide.
Defrag & care for your hard disk
The ultimate boost for your HDD
Defragmenting is a key factor in PC performance: It’s the process of re-arranging files on a hard disk for faster access. You’ll enjoy faster startup times, less loading, and snappier performance overall.
Cares for your SSD
Newer PCs come with ultrafast flash-based storage (Solid State Drives, SSDs) that don’t need to be defragged. Our Defrag detects SSDs and prolongs their health.
Give your PC a proper clean up
Running out of disk space? Not anymore. Avast Cleanup scans your PC from top to bottom to remove gigabytes worth of leftover junk files from more than 200 apps, browsers, and even Windows.
Cleans up your browser
Nukes unwanted plugins and toolbars
Frees up space
How do I get rid of daily clutter?
Every day you use your PC, it becomes cluttered with leftover files from Windows, your programs, or just from browsing the web. We’ve got the cure.
Browser Cleaner
Clean up online traces and temporary data from over 25 browsers, including Internet Explorer, Chrome, and Firefox. Get rid of leftover data that browsers can’t delete by themselves, such as Adobe Flash cookies, and optimize the browser database to troubleshoot and speed up your browser.
Effectively remove harmful bloatware
Bloatware refers to all the preinstalled software you don’t actually need and probably don’t want: apps you don’t use, distracting toolbars, expired software trials, and adware that plagues you with popups or even spies on you. Avast Cleanup will deep-scan your machine to root out every trace of PC bloatware.
Disk Cleaner
Run a deep scan for application leftovers that take up valuable storage space.
Installer files
Installations are messy. They leave behind temporary files that clog up your hard disk.
Cache
Temporary files left on your disk by programs and Windows.
Temporary system files
Your operating system and programs create temporary files to cache their current operations.
Old backups
Restore points that the operating system creates to revert back to previous states.
Fix your PC problems
The quick fix for a tired PC — Avast Cleanup comes packed with tools for both novices and pros to fix some of the most annoying issues, crashes, and freezes.
Automatic maintenance
Cleans registries
Cleans browsers
Fixes hard drive errors
What’s automatic maintenance?
Your PC accumulates a ton of wasteful data every day but we’ve got your back. Our automatic maintenance regularly and automatically removes these junk files for you.
Clean up your browser and disk
We remove the leftover cache files and traces from your browser, programs, and Windows.
Removes broken shortcuts
Clean up your desktop in seconds by deleting all those “dead” shortcuts you never use.
Cleans up your registry
The registry plays a critical role in any Windows operating system, so issues here can result in program crashes and error messages. We fix your registry automatically as part of Avast Cleanup’s regular maintenance.
Disk Doctor
Over time, your hard disk file and folder structure could become damaged, leading to data loss and crashes. Our Disk Doctor prevents errors and cures your disk 24/7. Here’s what we check and fix:
File system errors
Your hard disk is structured like a book: An index pointing to chapters and pages. If this index is broken, your PC suddenly can’t find files or folders anymore. This can lead to missing files, applications no longer working or even Windows crashing. Our Disk Doctor checks for such structural errors and fixes them in no time.
Data integrity
Files on your disk can become corrupt for various reasons, such as sudden power losses. Our Disk Doctor detects such errors and helps to fix them.
Access rights
If you’re getting “You don’t have the privileges to access this file” (or similar) messages, then the access rights of files and folders got messed up. This can happen after an update, the installation of an application or even after a virus attack. Disk Doctor checks for such errors and tries to cure them.
Update your programs automatically
Outdated programs can leave your PC vulnerable to bugs, crashes, and security risks. Our new Automatic Software Updater regularly updates your most critical programs for you.
Prevents security risks
Fixes bugs
Provides the latest features
Why do I need software updates?
Software updates can be critical to keeping your PC running smoothly and safely. Here’s why you shouldn’t ignore them.
To avoid security risks
According to our data, over 55% of all installed applications worldwide are outdated, leading to potentially critical security issues. Our Software Updater helps patch security holes for you silently, saving you the hassle of finding, downloading, and installing the updates yourself.
To fix bugs
Bug fixes are part of many updates, so Software Updater helps you enjoy your software with fewer annoying crashes and error messages. We support the most popular applications, such as Adobe Reader, Skype, VLC Player, and WinRAR.
To get the latest features
New updates often bring new features. For example, VLC Player 3 added support for up to 8K and HDR video — something you’d miss if you never updated. Software Updater installs the updates for you automatically, so the next time you open your favorite app, any new features will be ready to go.
Enjoy our complete PC cleaner and optimizer
Avast Cleanup includes everything you need to tune up your PC:
Sleep Mode
Puts all resource-draining applications in hibernation to make your PC feel like new again.
Shortcut Cleaner
Removes dead shortcuts from your desktop and history lists across Windows and other applications.
Automatic Maintenance
Regularly cleans and tunes your PC for you — without you lifting a finger.
Disk Cleaner
Safely deletes leftover files from Windows and over 200 of the most popular PC programs.
Registry Cleaner
Removes hidden junk from the Windows registry and fixes problems.
Browser Cleaner
Removes leftover browsing traces and cookies from 20+ browsers, including Avast Secure Browser, MS Edge, Opera, and Yandex.
Automatic updates
Finds and installs the latest updates for your most important apps — automatically.
Tuning Dashboard and Action Center
Offers a quick overview of your PC’s health.
Disk Defrag and Optimize
Restructures your hard disk for faster file access.
Disk Doctor
Checks, fixes, and prevents errors on your hard disk.
Let’s talk numbers
Our 2019 Avast Cleanup release has exceeded expectations in our internal tests. Here are the numbers:
79%
Quicker start up*
Boot time measured in seconds using Microsoft Performance Toolkit
(Surface Book)
23%
Faster work performance
Score in points based on PCMark score, showing multitasking and multimedia abilities. The higher the score, the better.
(Alienware desktop PC)
71GB
Cleaned up
71 GB of space freed up after removing temporary files using Avast Cleanup’s Disk Cleaner.
(2012 Ultrabook)
* The results from our lab are indicative only. Your results may vary.
Boost your Mac and Android devices
Avast Cleanup for Mac
Think your Mac is clean? Think again. Our clean-up tool for Mac helps you detect hidden junk files, large files, and even blurry or duplicate photos. Our app uninstaller gets rid of apps and leftovers in seconds.
Avast Cleanup for Android
Detects leftover data, hidden battery drainers, and helps you organize your phone. We also detect blurry and poor photos for you to delete! Get more speed, space, and organization in a few taps.
Next generation tune up and clean up for your PC
Get your PC back to running like new:
Clean out junk for more storage space.
Enjoy faster performance from your PC.
Set up automatic maintenance.
You may still be wondering...
How to install
Get protected right away by following these 3 easy steps:
Step 2
2. Open the file
Open the downloaded file and approve the installation.
Step 3
3. Install the file
Run the installer and follow the simple instructions.
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