There are six different editions!
Starter:- Supports a maximum of one physical processor (single or multi-core). Does not support the Windows Aero user interface, DVD playback, Windows Media Center, IIS Web Server and Internet connection sharing. Does not support enterprise features such as joining a computer to a domain, AppLocker, DirectAccess, BitLocker, Remote Desktop Host, BranchCache and EFS (Encrypting File System). Available from retailers and hardware manufacturers. Read more…
|Edition||CPU||RAM||Hard drive||Video graphics adapter|
|Starter||1GHz||512MB||20GB||32MB of RAM with DirectX 9 support|
|Home Basic||1GHz||512MB||20GB||32MB of RAM with DirectX 9 support|
|Home Premium||1GHz||1GB||40GB||min. of 128MB RAM with DirectX 9 support, has a WDDM driver, Pixel Shader 2.0 hardware and 32 bits per pixel|