This is a special place where deleted files are kept until you permanently delete or restore them. Whenever you delete a file on your system, Windows sends it to the Recycle Bin. And while it might be obvious to some, we’re including this in case some readers aren’t aware.
Technically, the Recycle Bin isn’t really a folder. You can erase these if you haven’t had errors related to Windows update. These are safe to delete in most cases, but you should keep them for troubleshooting if you run into update-related issues.
Windows Update Cleanup: This erases old copies of Windows Update files.However, the following several options are low-hanging fruit (make sure to select Clean up system files to see them all): This isn’t a full guide to the Disk Cleanup tool, so we’re not going to look at every option it offers.