Once you have downloaded your .rar file, follow these steps: MUGEN | HOW TO PLAY [EASY TUTORIAL] Part 1

: Provides the base framework (like M.U.G.E.N 1.1) with only a few example characters.

: Complete packages like Anime Mugen or Jump Force V13 that come with 1,000+ characters and custom stages pre-installed. Reputable Sources :

You can choose between a "clean" engine to build your own roster or a "full game" created by the community.

Mugen Archive : A massive database for characters, stages, and screenpacks.