: This is a compressed format. Files labeled "part1" are usually part of a "split archive," meaning you need all subsequent parts (part2, part3, etc.) in the same folder to extract the contents using tools like WinRAR or 7-Zip . Important Security Note

The filename indicates a compressed archive file typically used for distributing software or video games, in this case, a specific build of American Truck Simulator from roughly 2021.

For the safest and most up-to-date experience, it is recommended to purchase the game through official digital storefronts like Steam , which ensures you receive the latest version (currently well beyond v1.40) and all official security patches.

If you are looking for this specific file to download the game, please be aware that files with this naming convention found on third-party file-sharing sites are often and can pose significant security risks, such as malware or viruses.