Recommended is the version of Forge they recommend you use, and the Latest Version is the latest version of forge for that Minecraft version. Now you have 2 options, Latest or recommended. when you hover owner it you are given the choice of what version you want. I know 1.11 is the latest version of Minecraft but I actually want 1.10 for the mod I am installing, so i'm gonna click on 1.10. Now select the version you want to download. So first we are going to download Minecraft Forge, to do this go to / Ok so most mods nowadays require Minecraft Forge in order to be used, Forge is a modding API which makes it easier to create mods, and makes it easier for mods to be compatible and work alongside each other.