Windows Vista Minimum System Requirements

The specification provided by Microsoft for vista capable computer is P4 or higher, 512 Mb of ram or higher 32 Mb video card or higher. But the computers very slow if vista is installed on this type of computer. It has found that computers should meet the following specifications to perform adequately with Windows Vista:

   2.0 GHz Pentium 4 or higher (at least P4 1.8 GHz)
   1 GB of RAM or higher           (at least 512 Mb)
   60 GB hard disk or higher      (at least 40 Gb)
   64 MB video RAM or higher   (at least 32 Mb)

It important to note that if you are running windows vista on your computer the more the RAM is the more the system would work efficiently. Similarly the more the memory of video card the more the more the graphics would be better.