How to free or clean up disk space on windows 10?

Since you've already used the basic Disk Cleanup tool, here are some additional, safe, and effective methods to clean up disk space on Windows 10 (Version 21H2):

1. Use Storage Sense for Automated Cleanup
Windows 10 has a feature called Storage Sense that automates cleanup tasks.
Steps:
    * Click on Start and select Settings.
    * Go to System > Storage.
    * Turn on Storage Sense.
    * Click on Configure Storage Sense or run it now.
    * Customize options like deleting temporary files, Recycle Bin contents, and files in the Downloads folder automatically.

2. Uninstall Unnecessary Applications
To clean up disk space on Windows 10. You can remove apps and programs you no longer use.
Steps:
 * Open Settings > Apps > Apps & features.
 * Scroll through the list, select apps you don't need, and click Uninstall.

3. Use "Storage Sense" to Clear System Files
This can delete system files such as old Windows update files that Disk Cleanup might not have removed.
Steps:
  * In Storage settings, click Clean now under "Free up space now."
  * Windows will scan and remove unnecessary files, including previous Windows installations.