You are bidding on a Brand New, Never Used Office Professional Plus 2010 (X64) 64 bit Retail product license key.
It will work on 32bit and 64bit operating systems.
This is a unique key issued directly from Microsoft and the buyer will have the only copy of that key.
It can be used on one computer, but can be used multiple times on that computer.
After payment is confirmed Within 12 hours. the key will be mailed to buyer's email.