Windows 7 com Anytime Upgrade
«b. Family Pack. If you are a “Qualified Family Pack User”, you may install one copy of the software marked as “Family Pack” on three computers in your household for use by people who reside there. Those computers are the “licensed computers” and are subject to these license terms. If you do not know whether you are a Qualified Family Pack User, visit go.microsoft.com/fwlink/?Linkid=141399 or contact the Microsoft affiliate serving your country.
