A "portable" version of Euro Truck Simulator 2 refers to a configuration where the game can be run from an external storage device, such as a USB flash drive or an external SSD, without requiring a traditional installation process on the host computer. Why players look for portable versions:
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To ensure your save games and mods are also portable, you must use the "-homedir" launch command. Right-click ETS2 in Steam, go to Properties > General, and in the Launch Options box, type:-homedir "X:\ETS2Data"(Replace "X" with the letter assigned to your external drive). A "portable" version of Euro Truck Simulator 2
