Product minimum requirements system: 32/64 bit Windows 10.
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).
The essentials to get it all done. Office Professional 2019 is for growing small businesses who want the classic Office apps plus Outlook, OneDrive, Publisher and Access1. A one-time purchase installed on 1 PC for use at work
Please first activate your key in this site https://setup.office.com, and then download the software. Please don't download office before you finish activation.