There’s often pirate RSS feeds for larger ones, chapotraphouse is an example of one.

I use this for years, it’s great

By the way you can still use a windows 7 key for windows 11, I just have an old laptop with the OEM sticker on it, works fine on every computer I ever tried. Consider just trying to find one in the trash or just take a photo of one on a computer in public that won’t likely get reinstalled.