Here are the minimum Windows 7 system requirements Microsoft released on April 30 when it made available the Release Candidate to MSDN and TechNet testers:

* 1 GHz processor (32- or 64-bit)
* 1 GB of RAM (32-bit); 2 GB of RAM (64-bit)
* 16 GB of available disk space (32-bit); 20 GB of avaiable disk space (64-bit)
* DirectX 9 graphics device with WDDM 1.0 or higher driver