Running Disk Cleanup on your Windows computer is a quick way to free up space and improve performance. Whether you’re using Windows 7810or 11 the process is simple and can help remove unnecessary files like temporary filessystem filesand more. In this easy-to-follow guidewe’ll show you how to use Disk Cleanup on any version of Windowsstep-by-stepto keep your system running smoothly.
1. Open Disk Cleanup
- Click the Start button (Windows logo in the bottom-left corner).
- Type cleanmgr in the search bar and select Disk Cleanup from the search results.

2. Select the Drive
- When the Disk Cleanup window opensselect the drive you want to clean (usually C:) and click OK.
- It will take a moment to calculate how much space you can free up.

3. Choose Files to Delete
- In the list of file types (e.g.Temporary filesRecycle Binetc.)check the boxes next to the types of files you want to delete.

4. Clean Up System Files (optional)
- If you want to clean up system filesclick Clean up system files. You may need to choose the drive again.
- You can select additional files to deletesuch as old Windows updates.

5. Start Cleanup
- Once you’re readyclick OKthen confirm by clicking Delete Files.
- Disk Cleanup will begin deleting the selected filesfreeing up space on your computer.

That’s it! Your disk should now have more available space.