In the list you’ll see Temporary Windows installation files. Select the drive you want to clean up - this should be your system drive - and click OK.Ĭlick on Clean up system files, and select the drive again. Right-click the application that appears, and select Run as administrator. While you can just delete large folders, the best way to remove them and regain space is by using the built in Disk Cleanup tool.Ĭlick Start and search for Disk Cleanup. These are hidden folders that contain the Windows install files (make sure Windows is set to show hidden files if the folders aren't visible). Browse the root of your system drive, and you may find one or two sizable directories - $Windows.~BT, and $Windows.~WS.
