Most players will receive this update automatically via Steam. However, if you are running a dedicated server or want to ensure you are using the latest architecture, follow these steps:
Right-click Project Zomboid in Steam > Properties > Installed Files > Verify integrity. The Future of Build 42 zulu platform x64 architecture project zomboid new
Remove any old -Xms or -Xmx arguments that might be capping your RAM too low. Most players will receive this update automatically via
Smoother performance on modern 64-bit processors. zulu platform x64 architecture project zomboid new
💡 If you have 16GB of RAM or more, try manually allocating 6-8GB to the game via the ProjectZomboid64.json file to see the full potential of the x64 Zulu platform.