To download and install the Euro Truck Simulator 2 (ETS2) version 1.45 update and its subsequent fixes, you should use the Steam Client
If version 1.45 is stuttering, try verifying your files. In Steam, right-click the game, select Properties > Installed Files > Verify integrity of game files to repair corrupted data. Key Features in the 1.45 Update download euro truck simulator 2 version 145 fix
Performance drops / stuttering
Thus, the phrase "download euro truck simulator 2 version 145 fix" refers to acquiring this —not the buggy launch version. To download and install the Euro Truck Simulator