System Requirements:

Here’s the basic system requirements direct from Microsoft:

Windows 7 system requirements:
If you want to run Windows 7 on your PC, here’s what it takes:

*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