Unless you're running an Active Directory domain, more than likely. And really, this isn't that confusing. http://www.microsoft.com/windows/windows-7/compare-

Unless you're running an Active Directory domain, more than likely. And really, this isn't that confusing. http://www.microsoft.com/windows/windows-7/compare-editions/default.aspx http://www.microsoft.com/windows/windows-7/compare-editions/...