Today I'm going to start modding.
Wish me luck!
I will be editing this post and providing sources for the reasoning behind my actions in the spoilers.
-Downloaded and installed Java version of Minecraft from https://minecraft.net/download/
-Downloaded and installed Minecraft forge(recommended version 1.12.2 - 184.108.40.20655) from https://files.minecraftforge.net/
-Ran once to test it was working properly
-Removed all vers