: Sites like Gamers-Outlet and Mr Key Shop still list Windows 8.1 Professional keys for purchase.

Since Microsoft has discontinued retail sales, you must rely on third-party retailers for legitimate licenses. Be cautious, as "separate product keys" sold at extremely low prices are often pirated or unauthorized volume licenses.

Buying a Windows 8.1 download today is a different experience than it was during its prime. Because Microsoft officially ended extended support on , the operating system is no longer sold directly through the Microsoft Store . Where to Buy a Windows 8.1 Product Key

: Vendors such as LicenceDeals and SoftwareSupply.net offer digital licenses with immediate email delivery. How to Download Windows 8.1 Legally Windows 8.1 support ended on January 10, 2023