Download the Mod: Save the mod file to your computer. Open Mod Organizer 2: Launch Mod Organizer 2 on your computer. Add the Mod: Click the “Install a new mod from an archive†button (it looks like a CD with a computer). Navigate to the location where you saved the mod file and select it. Activate the Mod: The mod will appear in the left panel of Mod Organizer 2. Check the box next to the mod to activate it. Run the Game: Click the “Run†button to start the game with the mod installed. That’s it! Your mod should now be installed and ready to use.