How to Delete Win Setup Files in Windows 10?

To prevent Windows 10 from downloading again, search your PC for a program called Disk Cleanup.

Open it and tick the Temporary Windows Installation files.

Click Clean up system files.

Next, go to Start > Control Panel > Programs > Uninstall or change a program and click View installed updates.

Is it safe to delete Windows Setup files?

If you don’t want to revert to your old operating system, though, it’s just wasted space, and lots of it. So you can delete it without causing problems on your system. You can’t delete it like any folder, though. Instead, you’ll have to use Windows 10’s Disk Cleanup tool.

How do I delete program files?

To delete unnecessary files using Disk Cleanup:

• Open the Disk Cleanup by clicking Start, point to All Programs, point to Accessories, point to System Tools, and then click Disk Cleanup.
• Select the files by clicking the check box that you would like to delete (e.g. Downloaded Program Files and Temporary Internet Files) and click OK (see below).