I have the iso for 7, but i don’t have a key to upgrade to another version. I can reinstall my home version, but that’s it. I can’t really recall now, but I also ran into problem when trying to get windows 10 too, after they went to pay. I can Install it, but can’t register it of course. But can still use it ‘limited, (just can’t customize 5hings like des,top , wallpaper etc, no big deal real.y. I just don’t, et it update)
It’s not hart to get a free Windows 7 key that works.
Windows 7 preceded the more complicated process they use now.
I have done it, but I just used a key I found on the Internet. Just keep trying until you find one that works.
https://duckduckgo.com/?q=windows+7+pro+keygen&ia=web