OEM EDITIONS ARE BOUND TO YOUR MOTHERBOARD (PC). IN CASE OF MOTHERBOARD REPLACEMENT, YOU CAN CALL MICROSOFT SUPPORT TO HAVE YOUR OEM KEY TRANSFERED TO YOUR NEW MOTHERBOARD (PC).

Permanent,Authorized,Global Key, Support Both 32 Bits And 64 Bits Download the windows 10 pro system @ https://www.microsoft.com/en-us/software-download/windows10, install and then activate the system with the key.

OEM EDITIONS ARE BOUND TO YOUR MOTHERBOARD (PC). IN CASE OF MOTHERBOARD REPLACEMENT, YOU CAN CALL MICROSOFT SUPPORT TO HAVE YOUR OEM KEY TRANSFERED TO YOUR NEW MOTHERBOARD (PC).