Although old Windows 7 and 8 keys can still activate ... Windows 11 Canary build (presumably version 24H2) rejected a Windows 7 key. If you plan to build a PC or buy one without an OS, get an ...

Because every Windows 7/8 key is eligible for the free upgrade, this means that you can do a full hardware rebuild, motherboard included, and use your Windows 7 OEM key to install Windows 10 ...