Board Thread:General Mod Discussion/@comment-30619201-20170225030805/@comment-25101089-20170225042619

Download ShadersModCore version "v2.3.31-mc1.7.10-f" and put it into your mods folder. Start the game with it installed.

Then, download a shader pack. (SEUS v11.0 is recommended, though there are many others which work.)

Ingame, open the options menu and go to the shaders button. You will see an option to 'open shaderpacks folder' which works very similarly to texture packs. It opens the shaderpacks folder in .minecraft, which you can also access by just navigating to your .minecraft folder normally.

Put the shader pack in that folder, select it in the shaders menu, and there you go!