I will tell you this, I upgraded my old laptop to windows 10. Your old computers do no do well with windows 10 they frequently crash because they do not have what it takes to run windows 10. New computers have windows 10 already on them. Be careful when trying to upgrade. I have things in my old laptop that I cant' get out. Best Buy wanted $100.00 to retrieve it for me. Ask someone that knows about computers b4 you upgrade, I am getting used to windows 10, but still a lot I don't know about it.