Decompress after downloading and put the folder inside into the MODS folder of the game directory.
Famine mode installation tutorial when traveling
1. Download and extract the Wall Gatemod file.
2. Find the mod folder in the game root directory, and drag the entire extracted wall door folder to the mod folder.
3. Open the setting.lua file (using Notepad), and then enter ModManager:AddMod in the last line.
Note: The name in quotation marks must have the same file name as your mod.