: Paid DLCs (Payware) typically install automatically via Steam. Freeware usually requires manual installation into your OMSI 2 root directory.
Many people ignore the "Free DLC" section on Steam. While not "all" DLC, these are official, stable, and worth downloading: Omsi 2 All Dlc Free
Examples of free community content that rival paid DLC: : Paid DLCs (Payware) typically install automatically via