This product DOESN'T support upgrading directly from the Home system to Pro system, please download and install the Windows 10 Pro system before activation. Downloadable link in the product description below.
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 https://www.microsoft.com/en-us/software-download/windows10 Please download and install the Windows 10 Pro system from this link before activation.