The 1.48 series of updates for ETS2 introduced several major technical and content improvements:
The "eurotrucksimulator2v14820alldlcpart3rar" file refers to a specific RAR archive file that contains part of the game data for Euro Truck Simulator 2 v1.48.20 with all DLCs. This file is typically used for distributing the game via peer-to-peer networks or file-sharing platforms. The "part3" in the filename indicates that the game data is split into multiple parts, and this file contains the third part of the archive. eurotrucksimulator2v14820alldlcpart3rar
Since you have a .part3.rar file, you cannot open it individually. You must follow these steps to access the contents: eurotrucksimulator2v14820alldlcpart3rar