Microsoft previously offered a free upgrade offer to Windows 10 which ended back in 2016 however, users with old Windows 7 or 8 keys could get themselves onto Windows 10 using the free installation ...
Microsoft has confirmed that Windows 7 and 8 keys can no longer activate any Windows 11 edition or version, not just Canary builds, as reported in September. However, Windows 10 keys are still valid.
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