For those who already own a legal license but lost their installer, the Internet Archive (archive.org) often hosts old game installers for preservation. Search for "ETS2 Gold Bundle v1.9.24.1s archive."
The modding community for ETS2 is massive. However, many beloved mods—particularly old map mods (like TSM Map 4.5x or ProMods v1.5x), classic truck mods, and sound packs—were never updated beyond version 1.9.x. If you want to experience a "time capsule" of early ETS2 modding, v1.9.24.1s is the perfect stable release. Euro Truck Simulator 2- Gold Bundle -v 1.9.24.1s- download
Because this is a 2014-era version, it is highly accessible for players with older hardware or laptops. PC - Steam > Euro Truck Simulator 2 Gold Bundle - G2G For those who already own a legal license