So, I've made the generic mod from the tutorials, and Eclipse said everything was fine, Minecraft ran fine in eclipse and no crashing/bugs/glitches.
But, I ran compile then re-obfuscate and zipped up the "generic" file
reobf > minecraft > tutorial > generic
And the wiki said to put my mod in the mods folder.. and I did and nothing happend, I put it in coremods, again nothing.. So, I did the old put everything in the jar, and now it crashed with
If you're experienced, this might sound stupid, but how do I actually install my own mod!?
EDIT: My .rar actually needed to be .zip thanks for assistance, it's now working