Hey everyone! I have built myself a new PC and am currently using it but however I would like to sell my old computer. The problem I am having is that I am using the same operating system activation key that I had on my old computer on my new computer. All my data is wiped from my old PC and it is cleaned and ready to sell but however I don’t know how to remove the operating system from my old PC or if the same copy of Windows will even affect my new PC. Any advice on what I can do to make sure I sell my old PC ?