Cheapest FULL version of Vista as opposed to OEM.
A Windows Vista Premium Ready PC includes at least:
* 1 GHz 32-bit (x86) or 64-bit (x64) processor1.
* 1 GB of system memory.
* Support for DirectX 9 graphics with a WDDM driver, 128 MB of graphics memory (minimum)2, Pixel Shader 2.0 and 32 bits per pixel.
* 40 GB of hard drive capacity with 15 GB free space.
* DVD-ROM Drive3.
* Audio output capability.
* Internet access capability.
Windows Vista Minimum Supported System Requirements
* 800 MHz 32-bit (x86) or 64-bit (x64) processor1
* 512 MB
* SVGA (800x600)
* 20 GB (15gb Free Space)
* CD-ROM drive2
1 Processor speed is specified as the nominal operational processor frequency for the device. Some processors have power management which allows the processor to run at a lower rate to save power.2 The CD-ROM may be external (not integral, not built into the system).