Clean Up disk drive in windows using Disk Cleanup

To clean up files/delete files  :--

The following procedure deletes files associated with your user account.

You can also use Disk Cleanup to delete system files on your PC.

To open Disk Cleanup from the desktop, swipe in from the right edge of the screen, tap Settings (or if you're using a mouse, point to the start screen , move the mouse pointer up, and then click on  search box and search  Admin in the Search box, tap or click Administrative Tools, and then click Disk Cleanup.

 In the Drives list, choose the drive you want to clean, and then tap or click OK.  In the Disk Cleanup dialog, select the checkboxes for the file types that you want to delete, tap or click OK, and then tap or click Delete files.