Windows 7 Professional 64 bit

Make sure your PC is compatible with Windows 7. Download and run the Windows 7 Upgrade Advisor.
http://go.microsoft.com/fwlink/?LinkID=150737

ATTENTION!

You must use one serial ONLY on one computer! If you wish install Windows on some computers - you must buy new serials!

Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. In addition, you can run many Windows XP productivity programs in Windows XP Mode and recover your data easily with automatic back-ups to your home or business network.

Simplify everyday tasks
- Simplify your PC with new navigation features like Aero Shake, Jump Lists, and Snap.
- Customize Windows to look and feel the way you like by changing themes and taskbar programs.
- Setting up a home network and connecting to printers and devices is easier than ever.
- Windows 7 Home Premium supports the latest hardware and software.

Work the way you want
- Designed to make your PC sleep and resume quicker.
- Takes full advantage of 64-bit PC hardware and memory.
- Connecting to wireless networks is fast and easy.

Make new things possible
- Watch, pause, rewind, and record TV with Windows Media Center.
- Watch your favorite DVD movies.
- Includes integrated video and Dolby audio codecs.

System Requirements
- 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
- 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
- 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
- DirectX 9 graphics device with WDDM 1.0 or higher driver