Avoid extracting directly into protected folders like C:\Program Files ; instead, use a dedicated folder like C:\Games\Depth . :
Install and Visual C++ Redistributables (x64 and x86) to ensure the game engine runs without "Missing DLL" errors. Launch the Game : File: Depth.v36111.Incl.ALL.DLC.zip ...
Since this version is labeled "Incl. ALL DLC," the additional shark skins and diver gear should be unlocked automatically. File: Depth.v36111.Incl.ALL.DLC.zip ...
If items are missing, check for a steam_emu.ini or similar configuration file in the game folder. Ensure the "DLC" section lists the IDs for the expansions. Troubleshooting Common Issues File: Depth.v36111.Incl.ALL.DLC.zip ...