This is a Windows 10 Pro 64-bit retail key card (500 available). It is a genuine license used to activate Win 10 Pro, coming from a trusted Microsoft reseller. It has been verified by Microsoft technical support to be a valid Wiin 10 Pro retail key and good for an indefinite number of hardware & software re-installs. It will also activate Win 10 Pro 32-bit.

The price is $49.99 each with quantity discounts!

Fulfillment will be by email within a two business days.

Technical support is available by email if you need help.

Works one one computer (each), worldwide, and activation is permanent.