Downloading and installing software from "P2P" sources carries significant risks that aren't present when buying the game officially:
Unofficial zip files are common vectors for trojans, miners, and ransomware. Since the file is unverified, there is no guarantee the contents are safe. Euro.Truck.Simulator.2.v1.46.2.2s-P2P.zip
This is the specific build version of the game. It includes all patches up to that point. Euro.Truck.Simulator.2.v1.46.2.2s-P2P.zip