Click on start and on menu COMPUTER
First, we have to set up Explorer to display hidden system files
Click on TOLLS (hold keyboard button ALT to view it) and click on menu FOLDER OPTIONS
With folder options open click on tab VIEW
First, on option HIDDEN FILES AND FOLDERS select SHOW HIDDEN FILES, FOLDERS AND DRIVES
Deselect option HIDE PROTECTED OPERATING SYSTEM FILES... and click button YES on the warning window
And click button OK to save settings and close options
Now navigate to C:\Windows\S