official version (Non-OEM version) ，32 Bit and 64 Bit , For 1 PC Permanent,Authorized,Global Key
the windows 10 pro system here first , after you installed it , activate the system.
1.Note: A serial number can only be used with one computer
2.Applicable equipment: laptop,desktop computer,tablet pc
Professional official version 32/64-Bit Operating System Software key license 100% Useful for windows 10