Microsoft Win Pro 7 English Version Upgrade US Only DVD Use to upgrade from XP Pro or Vista Pro to Windows 7 Pro. --- If upgrading from XP......must do a back-up of all data PRIOR to the install as the upgrade will clean the system completely.---
Additional Info:
Manufacturer: MicrosoftMFG. Model #: FQC-00130UPC: 882224883443Manufacturer's Warranty: 1 YEAR