8086/8088 processor or better 384 KB of free conventional memory (real mode), 1 MB (Standard Mode), or 2 MB (Enhanced Mode)[9] Hard disk with 6-7 MB of free space CGA, EGA, MCGA, VGA, Hercules, 8514/A or XGA graphics and an appropriate and compatible monitor MS-DOS version 3.1 or higher[1]
Memory modes Windows 3.0 was the only version of Windows that could be run in three different memory modes:
Real mode, intended for older computers with a CPU below Intel 80286, and corresponding to its real mode; Standard mode, intended for computers with an 80286 processor, and corresponding to its protected mode; 386 Enhanced mode, intended for newer computers with an Intel 80386 processor or above, and corresponding to its protected mode and virtual 8086 mod
