Project Zomboid Build 38 Download __top__ Link
That being said, I've compiled some information to help you with your query.
Many players return to Build 38 for or to experience the "old" Project Zomboid combat, which felt different before the massive animation overhaul of Build 41. It is also highly optimized for older hardware since it lacks the complex physics and 3D models of current versions. project zomboid build 38 download link
Inside the Properties window, click on the tab (third from the left). That being said, I've compiled some information to