: Some large-scale mods like the Sky Reclamation Project for Clear Sky come with their own installers that handle the process for you. 2. S.T.A.L.K.E.R. 2: Heart of Chornobyl

These are often distributed as complete packages and do not require the original games to be installed.

: Locate this file in your main game directory. Open it with Notepad++ and find the line $game_data$ . Change the first false to true .

For the original games, the process usually involves modifying a system file to allow the game to read custom data.

: Most mods come as a gamedata folder. Simply copy the contents of the mod's folder into your game's gamedata folder.