The amount of space required depends on the installation method and the components selected, but virtual memory and system utilities as well as drivers should be taken into consideration. At least 500 MB of space available on HDD.16 MB of RAM (24 MB recommended, it's possible to run on 8 MB machines with /nm option used during the installation process).Intel 80486DX 2/66 MHz or a compatible CPU with a math coprocessor (Pentium processor recommended).