Everything I've seen "advertised" on your question states that MS Office 2007 can be installed on up to THREE computers at ONE time. Only one sure way to find out is to "Just Do It!"

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Thanks,
Nolan

Specs: Running at 3ghz w/stock voltages
COOLER MASTER RC-690 Case
CORSAIR 620HX
GIGABYTE GA-P35-DS4
CPU,Q6600 G0
2GB PC6400 DUAL BALLISTIX LINE
EVGA 8800GT SC
Asus Silent Square 3-in-1 CPU Cooler
DVD SAMSUNG|SH-S203B
SAMSUNG 500G SATA2 3Gb/s
WD 500GB SATA2 3Gb/s
Seagate 320GB SATA2 3Gb/s
3ea - 120mm Yate Loon Cooling Fans
Sunbeam CW-BK 5.25" Fan Controller
SAMSUNG 226BW 22" Monitor
Logitec G15 keyboard
Logitec MX518 Mouse
Vista Ultimate 64-bit OEM