It comes with most windows installers Ultimate, Home Edition, Professional, Enterprise, etc, etc, etc.
This package includes:
* Windows 7 Starter (32 bit)
* Windows 7 Home Basic (32 and 64 bit)
* Windows 7 Home Premium (32 and 64 bit)
* Windows 7 Professional (32 and 64 bit)
* Windows 7 Ultimate (32 and 64 bit)
* Windows 7 Enterprise (32 and 64 bit)
Simplify everyday tasks
-Simplify your PC with new navigation features like Shake, Jump Lists, and Snap.
-Personalize your PC by customizing themes, colors, sounds, and more.
-Easy to network (with or without a server).
-Back up your complete system over a network.
-Help protect data on your PC or portable storage device against loss or theft with BitLocker.
Work the way you want
-Designed to make your PC sleep and resume quicker.
-Takes full advantage of 64-bit PC hardware and memory.
-Windows XP Mode gives you the business flexibility you need.
-Switch between any of 35 languages.
Make new things possible
-Watch shows for free where and when you want with Internet TV on Windows Media Center.
-Send media from your PC to devices on your home network.
-Supports more media formats, including integrated video and Dolby audio codecs.