According to http://download.microsoft.com/Documents/UseTerms/Windows%207_Ultimate_English_c44ca3df-8338-4a2f-a176-39d2e68986c4.pdf http://download.microsoft.co

According to http://download.microsoft.com/Documents/UseTerms/Windows%207_Ultimate_English_c44ca3df-8338-4a2f-a176-39d2e68986c4.pdf http://download.microsoft.com/Documents/UseTerms/Windows%207... Use with Virtualization Technologies. Instead of using the software directly on the licensed computer, you may install and use the software within only one virtual (or otherwise emulated) hardware system on the licensed computer.