Download MARS from Softpedia (version on Softpedia may lag behind the version on this page).

Download MARS 4.5 software! (Aug. 2014)

New for 4.0: new editor, featuring multiple files, context-sensitive input, and color-coding.

See a screenshot (1478 x 889 pixels, 198 KB JPEG)

Tutorial materials

Sample MIPS assembly program to run under MARS Fibonacci.asm

MARS features overview: (List of features by version)