Forge installs itself as a version of Minecraft.
Make a new Profile/Installation and select Forge from the version dropdown.
(Note: For some reason Forge 1.12.2 gets booted to the bottom of the list.)
The filenames of one or more of your mods suggests you got them from a repost site.
Please read up on the StopModReposts project (link in my signature) for info on why this is a bad thing.