To see what has changed since v1.35, you can check the developer’s official site for the latest update notes.
: If you decide to upgrade later, your progress from the demo is compatible with the full version. Accessing Version 1.35 (Legacy Version) --- Euro Truck Simulator 2 V1 35 Download Free Full Version
Before we dive into the download process, let's take a look at the system requirements for Euro Truck Simulator 2 V1.35: To see what has changed since v1