Microsoft Windows 7 Enterprise x86 and x64 SP1 Integrated October 2011 | 2.2 GB + 3.2 GB

Windows 7 Enterprise is the most advanced Windows operating system for business PCs, designed to meet the evolving needs of the users and IT professionals in your organization-both in and out of the office. With exclusive features and benefits, Windows 7 Enterprise drives lower total cost of ownership by helping your users stay productive anywhere, enhancing security and control, and simplifying PC management across your organization

Microsoft Windows 7 Enterprise x86 SP1 Integrated March 2011 | 2.3 GB

Windows 7 Enterprise is the most advanced Windows operating system for business PCs, designed to meet the evolving needs of the users and IT professionals in your organization-both in and out of the office. With exclusive features and benefits, Windows 7 Enterprise drives lower total cost of ownership by helping your users stay productive anywhere, enhancing security and control, and simplifying PC management across your organization