Since ETS2 migrated from physical discs to Steam years ago, this is the simplest route.
A: No. SCS has since released 1.37, 1.38, and 1.49+. But 1.36 remains a popular stable version for modders and players with older graphics cards that still support DX11 but not newer Vulkan features.
: A major free addition to the French map expansion, accessible via ferry from Marseille or Sassari. DirectX 11 Support