: Many players still rely on the fan-made 4GB Patch to improve memory utilization and prevent crashes on modern systems, but this is not an "official" update. Recommendation

While this patch is specifically for the main branch, data miners and community analysts suggest that code adjustments in 2.3.004 are laying the groundwork for the long-awaited transition to a 64-bit executable. By cleaning up legacy code and optimizing memory usage now, developers are paving the way for a more robust OMSI experience that can utilize more than 4GB of RAM in the future.

The safest and most reliable way to obtain the updated files depends on the version of the simulator you own. 1. Official Steam Edition (Recommended)