Here is text suitable for a blog post, news article, or download portal page regarding the American Truck Simulator V1.40 update.
If you love cruising with the radio on and watching the landscape roll by, download V1.40 immediately. The visual upgrade is that good. American Truck Simulator V1.40 Download
Improved Streetlights and Headlights: Night driving felt more authentic with realistic light glare and reflections. Here is text suitable for a blog post,
Steam will automatically begin downloading the files for that version. Important Considerations Extended chassis options How to Download American Truck
If you have a boxed copy or a specific digital distribution, you can download the patch file from the official forums. Search for "ATS update 1.40 patch kit." Apply this only if you know your current build version.
For Steam users (recommended):
If you are looking for mods compatible with this specific version, the SCS Software Forum Steam Workshop