I have a old Windows 7 laptop that I use for my company but its so slow it actually takes close to 30 mins to startup from a cold boot. I have lots a pictures also about 18,000 and I want to save those with a few other things. How am I able to reinstall windows if I don't have a key to reactivate it or disk. I can't upgrade to windows 10 due to some programs not compatible with it so I don't know what to do. Any tips or links are appreciated. Its a HP Laptop cant find serial key, still updating.