Last year, Microsoft blocked off the usage of old Windows 7, 8, and 8.1 keys for the activation purposes of Windows 11. The decision hasn't changed, and local account users may be troubled.
Windows 11 activation RSS
Microsoft recently blocked all Windows 7 and 8.1 keys from activating any Windows 11 version or edition. However, you can get a genuine Windows 11 license key for less and save $20.