I started playing MC recently and started on 1.14.3 (now 14.4.4) using forge and optifine for that version. But I have been wanting to use MCA which means I need to downgrade and create a map with MC 1.12.2 instead. Initially I went into MC Launcher, and installations, and simply changed the Forge to ver 1.12.2 using the drop-down menu. It loaded MC 1.12.2 perfectly fine, I could create a map and play, but there was no MODS button which meant Forge was not actually running. So I thought I needed to install a separate older Forge version, which corresponded to the older MC version, so I did that by downloading the older Forge file and installing it. In my .minecraft, versions folder I had both 1.14.4 forge and 1.12.2 Forge listed. I then tried to load this new installation, and it loaded 1.12.2, but still no MODS button meaning Forge was not actually running. So I removed that new install by simply deleting it from my .minecraft, version folder leaving all the original 1.14.4 files. This messed up my Forge from the launcher which is now called "unnamed installation" and no longer allows me to select versions and is fixed on 1.14.4 (drop down menu inactive). Now I can't even try my initial method of simply switching it to 1.12.2 within the launcher and its locked to 1.14.4. I also tried to reinstall the Forge 1.14.4 to overwrite and correct the mess-up but that did nothing. Soooooo I can play 1.14.4 with Forge just fine, even though it looks messed up in the launcher, but I am still unable to play 1.12.2 with Forge and MCA like I wanted. What do I do to fix this?