Magic Lantern platform name: 5D3
Just follow the guide available on our wiki.
If installed firmware version doesn't match the requirements, you will have to upgrade (or downgrade) it before using Magic Lantern.
Where can I get a required Canon firmware version?
How to downgrade firmware if camera won't let me do it?
Development branch (dev)
Builds with the most recent developments
Legacy lua_fix builds (lua_fix)
Latest version of Lua improvements branch
Legacy nightly builds (unified)
Latest version of unified nightly builds from Heptapod repository (2018)
Development branch (dev)
Builds with the most recent developments
Legacy lua_fix builds (lua_fix)
Latest version of Lua improvements branch
Legacy nightly builds (unified)
Latest version of unified nightly builds from Heptapod repository (2018)