So i bought a new computer with windows 7 on it and i wanted to upgrade to windows 10 and when i was going to upgrade it it asked for a code to verify that i bought windows 7 or something. Then i put my code that came with windows 7 and it didn't work! I tried multiple times!! So i gave up and i searched for a crack code and itr worked!! So after i installed windows i asked me to activate windows put i already did!! So now i always have this watermark in the down left corner!! Can anyone help me find a souloution i have tgried this kmSpico but it didn't work!! Please help me!!