: Paste the Steam Workshop URL into the tool and click Download .
: Buy the game on your preferred storefront (e.g., Steam or GOG ). Once purchased, it will appear in your "Library." serious-sam-4-installation-tutorial
: Open the downloaded folder and locate the .gro file. This is the mod file you need. Common Tips for New Players : Paste the Steam Workshop URL into the
Since GOG doesn't have a built-in Workshop like Steam, you can use the WorkshopDL tool to install mods manually: Steam or GOG ). Once purchased