Taken form the Beta 2458 CD.....
Before you install Whistler Professional, make sure your computer
meets the following minimum hardware requirements:
* 233 megahertz (MHz) Pentium or higher microprocessor (or
equivalent)
* 64 megabytes (MB) of RAM (128 MB of RAM recommended
minimum; 4 gigabytes (GB) of RAM maximum)
* 650 MB of free space on a 2-GB hard disk
If you're installing over a network, more free hard disk
space is required.
* VGA monitor
* Keyboard
* Mouse or compatible pointing device
* CD-ROM or DVD drive