: You can often find physical "New Old Stock" (sealed retail boxes) or used licenses on eBay and Amazon .

: Sites like DirectDeals.com and My Choice Software still list genuine digital downloads and retail boxes for Windows 8.1.

Prices vary wildly based on whether you are buying a used key or a rare sealed retail box: : ~$15 to $40. Retail/Standard Downloads : ~$120 to $200. The Support Reality: Is It Safe?

Microsoft no longer sells Windows 8 or 8.1 directly. To get a license today, you must turn to third-party retailers and secondary markets: