: You may find old "boxed" copies or remaining digital licenses at third-party retailers like Electronic First [10]. Be cautious when buying from unknown secondary markets to avoid counterfeit or invalid keys.

1 to run a , or are you trying to revive an older PC ?

: Designed for home users, offering the core Windows experience with updated search and personalization features [8, 10].

If you must use Windows 8.1 for legacy hardware or specific software compatibility, there are two primary versions: