This is where the "Free" version falls apart. OMSI 2 is notoriously unstable on a good day; it is an old 32-bit engine that struggles with modern hardware. Pirated versions exacerbate this exponentially.
If you truly cannot afford DLC, the free mod scene already offers thousands of hours of gameplay without breaking the law. Start there. Omsi 2 All Dlc Free
If "free" yields nothing safe, the next best thing is "dirt cheap." OMSI 2 DLC goes on sale multiple times a year (Summer Sale, Winter Sale, Simfest). Historical lows often hit 75-90% off. This is where the "Free" version falls apart
OMSI 2 has one of the largest modding communities in simulation. You can expand your game with hundreds of high-quality buses and maps for free through official community hubs: OMSI-WebDisk If you truly cannot afford DLC, the free
Download the latest official patch from the Aerosoft website. This fixes major memory issues.