What is the best way for disk cleanup on Windows 10?

Yes. Windows 10 does have a built-in cleaner called Disk Cleanup. This is the classic and most comprehensive dedicated cleaner. It helps you remove temporary files, system files, cached data, and even previous Windows installations (Windows.old folder.)

Steps for Windows 10 disk cleanup:

1. Press the Windows key on your keyboard, type "Disk Cleanup", and select the app from the search results.

2. If prompted, choose the drive you want to clean (usually C:, your system drive), then click OK.

3. The tool will scan and show a list of file categories with the amount of space you can free up. Check the boxes for the types of files you want to delete. Common safe choices include temporary files, log files, caches and previous Windows installation files.

4. Click OK, then Delete Files to confirm. 

5. Wait while the tool removes the selected files.

Disk Cleanup remains one of most reliable and easy-to-use tools for disk cleanup on Windows 10. By regularly removing unnecessary files, especially after major updates or when storage runs low. You can help keep your system running smoothly and ensure that valuable disk space is available for your important files and applications.