STEP ONE
Go and download Minecraft Forge. I recommened getting 1.7.10 as that's what most mods are these days and install it.


STEP TWO
Download a mod.

STEP THREE
Copy and paste it into your "mods" folder.

STEP FOUR
Open up Minecraft launcher and click on the Forge profile.

Done! Thanks for reading and if you like it leave a diamond and check out my other Stuff Made Simple blogs for more Minecraft usefullness! Bye!