Since you are running a P2P version, you cannot use Steam Workshop. However, you can manually download the following:

You can now purchase "budget-friendly" trucks directly from the main menu. These vehicles come with varied mileage and wear, offering a more realistic career progression for new players.

As of this writing, SCS is deep into , which introduces DX12 rendering and ray-traced shadows. However, early reports indicate 1.50 breaks 80% of existing mods.