CCleaner for Windows
The most trusted PC cleaner for Windows 11, 10, 8, and 7. Optimize performance, protect privacy, and keep your system running smoothly.
Download for WindowsWindows Version Compatibility
Windows 11
Fully Supported
Windows 10
Fully Supported
Windows 8/8.1
Supported
Windows 7
Legacy Support
Note: Windows 7 reached end-of-life in 2020. While CCleaner still works, we recommend upgrading to Windows 10 or 11 for security.
Windows-Optimized Features
Deep Windows Cleaning
Removes Windows Update files, temp folders, log files, and system junk that native tools miss.
Registry Cleaner
Scans and fixes registry errors specific to Windows. Backup created automatically before changes.
Startup Manager
Manage Windows startup programs. Disable unnecessary apps to boot faster.
Browser Cleaning
Clean Edge, Chrome, Firefox, IE, and Opera. Remove cookies, cache, and browsing history.
Privacy Protection
Erase traces of your activity. Delete recent documents, search history, and Windows clipboard.
Disk Analyzer
Visual map of disk space usage. Find large files and folders taking up Windows storage.
CCleaner on Windows 11
CCleaner is fully optimized for Windows 11's new interface and features. Here's what you need to know:
Windows 11 Compatibility
Works perfectly on ARM and x64 architectures. Fully compatible with Windows 11's security features.
Cleans Windows 11 Files
Removes Windows 11-specific temp files, Windows Store cache, and system update leftovers.
Modern UI Integration
CCleaner's interface adapts to Windows 11's design language while maintaining its familiar layout.
Performance on New Hardware
Optimized for modern SSDs, 12th/13th/14th gen Intel processors, and AMD Ryzen systems.
Performance Results
Average results from CCleaner scan on a typical Windows 10/11 PC:
Average Space Freed
Faster Boot Time
Average Scan Time
What Gets Cleaned:
- ✓ Internet cache files (500MB - 2GB)
- ✓ Windows temp files (200MB - 1GB)
- ✓ Recycle Bin contents (varies)
- ✓ Windows Update cleanup (500MB - 3GB)
- ✓ Thumbnail cache (100MB - 500MB)
- ✓ Old Windows installations (1GB - 20GB)
- ✓ Log files (50MB - 300MB)
- ✓ System restore points (optional)
How to Use CCleaner on Windows
Install CCleaner
Download from the official site and install. Takes about 1 minute.
Run Health Check
Click 'Health Check' for an automatic scan. CCleaner will analyze your system and show results.
Review Results
See how much space can be freed, privacy items found, and startup programs slowing you down.
Clean Your PC
Click 'Make it Better' to clean everything. Or use Custom Clean for specific areas.
Manage Startup
Go to Tools > Startup. Disable programs you don't need at boot.
Schedule Cleaning
Set CCleaner to clean automatically (Pro feature) or run it weekly manually.
Pro Tips for Windows Users
Don't Clean Registry Too Often
Once a month is enough. Windows handles most registry issues automatically.
Exclude Important Cookies
Keep cookies for sites you trust. Go to Options > Cookies to manage exceptions.
Use Drive Wiper for SSDs Carefully
Modern SSDs have limited write cycles. Use free space wiping sparingly.
Check Before Deleting Restore Points
Only delete old restore points if you're sure Windows is running well.
Monitor Startup Programs
Check Tools > Startup monthly. New programs often add themselves without asking.
Enable Monitoring (Pro)
CCleaner Pro can monitor and clean in real-time, keeping Windows optimized 24/7.
CCleaner vs Built-in Windows Tools
| Feature | CCleaner | Disk Cleanup | Storage Sense |
|---|---|---|---|
| Clean Temp Files | ✅ | ✅ | ✅ |
| Browser Cleaning | ✅ | ❌ | ❌ |
| Registry Cleaner | ✅ | ❌ | ❌ |
| Startup Manager | ✅ | ❌ | ❌ |
| Privacy Protection | ✅ | ❌ | ⚠️ Partial |
| Scheduled Cleaning | ✅ Pro | ❌ | ✅ |
| Duplicate Finder | ✅ Pro | ❌ | ❌ |
| Real-time Monitoring | ✅ Pro | ❌ | ✅ |
CCleaner offers more comprehensive cleaning and optimization than Windows built-in tools.
Windows FAQs
Will CCleaner work on Windows 11?
Yes! CCleaner is fully compatible with Windows 11 and receives regular updates for new Windows versions.
Can CCleaner damage my Windows installation?
No, when used correctly. Always review what's being cleaned and create a restore point before registry cleaning.
Does CCleaner work with Windows Defender?
Yes, CCleaner works alongside Windows Defender and all major antivirus programs without conflicts.
How often should I run CCleaner on Windows?
Weekly for casual users, daily for heavy users. The Pro version can automate this process.
Optimize Your Windows PC Today
Join millions of Windows users who trust CCleaner to keep their PCs running smoothly.
Download CCleaner Free