If you need the (GOG or old Desura), that’s harder to find. Check the official Indie Stone forums for archived builds – but the Steam beta is the safest method.
Practical checklist before updating to Build 40 project zomboid build 40 download upd
Build 40 was a major milestone for Project Zomboid that overhauled the game's climate system. The primary source for all technical changes is the official Project Zomboid Build 40 announcement. If you need the (GOG or old Desura), that’s harder to find
Implemented major engine optimizations to handle the new weather effects. 2. The Project Zomboid Wiki project zomboid build 40 download upd