Go to Start, type then type cmd if this doesn't work type "run",click on run, then type "cmd" Mac address on the n...

Back up your files first or at least make a copy first and do a trial run. You want to remove all files in a subfolder eg : c:/John Smit...

To use the run commands. Go to start then run, if you cannot see run in your start menu then right click on start then properties then sta...