You can download Windows Vista Upgrade Advisor directly from Microsoft website. This little app (6.59MB) is designed to help Windows XP users identify whether their PCs are ready for an upgrade to Windows Vista, which edition of Windows Vista meets their needs, and which features of Windows Vista will be able to run on their PCs. If you don’t have a recent version of MSXML, don’t worry about it. You would get prompted to download it during installation.
To install and run the core functionality of Windows Vista, you need:
* 800 MHz processor and 512 MB of system memory
* 20 GB hard drive with at least 15 GB of available space
* Support for Super VGA graphics
* CD-ROM drive
Home Basic, you need:
* 1 GHz 32-bit (x86) or 64-bit (x64) processor
* 512 MB of system memory
* 20 GB hard drive with at least 15 GB of available space
* Support for DirectX 9 graphics and 32 MB of graphics memory
* DVD-ROM drive
* Audio Output
* Internet access
Home Premium / Business / Ultimate, you need:
* 1 GHz 32-bit (x86) or 64-bit (x64) processor
* 1 GB of system memory
* 40 GB hard drive with at least 15 GB of available space
* Support for DirectX 9 graphics
* DVD-ROM drive
* Audio Output
* Internet access
Actual requirements and product functionality may vary based on your system configuration. Windows Vista Upgrade Advisor can help you determine which features and edition of Windows Vista will run on your computer. For optimal performance, minimum of 2 GHz CPU and 2 GB RAM are highly recommended.
Good luck and have fun with Windows Vista!