ETS2 1.38 version is the full save game, it is not required to have dlc, it only the vanilla map of the game.

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– 1.38, 1.39 Version
– Money: €582,013,082,899
– Level 41 King of the Road (174,647 XP)
– Max Skills
– All Upper Garages Unlocked (72 garages)
– All Truck Dealers Unlocked (176 dealers)
– All Recruitment Agency Discovered (176 recruitment agency)
– All Map and Cities 100% Discovered
– Works on Multiplayer (MP)
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Installation > My Documentry > Euro Truck Simulator 2 > Profiles > put the 4D45582056616E696C6C61205361766547616D65 file.

Credits:
mexiumut