While does not natively support split-screen on PC, you can achieve it using the Nucleus Co-op tool. This mod works by launching multiple instances of the game and resizing them to fit your screen, allowing for up to 4-player local play in Multiplayer and Zombies. Prerequisites
The Redacted client has become the gold standard because it also protects you from the remote code execution exploits (RCE) that plague the vanilla Steam version.
: The game should be installed via Steam or the Plutonium client; cracked versions may not work reliably. Setup Instructions
Quick tips
: Ensure you have .NET Framework 4.7.2 or higher and Visual C++ Redistributable installed. Step-by-Step Installation Guide Reddit·u/Perseveruz