You can still find product keys on third-party sites such as Eneba (approx. $16) or eBay (ranging from $65 to $123 for full versions).
Strictly for businesses; often sold illegally to individuals. Important Security and Compatibility Notes End of support for Windows 10, Windows 8.1, and Windows 7 buy windows 8 product key online
Transferable to other PCs; usually comes in original packaging. $65 – $199 You can still find product keys on third-party