Euro Truck Simulator 2 Update 1.30 Open Beta - SCS Software's blog
Reducing the bitrate of radio station files or ambient audio to shave off hundreds of megabytes. Euro Truck Simulator 2 Version 1.30 Highly Compressed
Despite being older, v1.30 has a thriving modding community. You can transform the game with minimal performance hit. Euro Truck Simulator 2 Update 1
Steam will automatically download the required files (roughly 2-3 GB for the core update). Performance & Optimization Tips Euro Truck Simulator 2 Version 1.30 Highly Compressed