To open full map with all DLCs you have choose two ways – just download ready profile (exact from the video below) or create one yourself. Or even modify your existing profile. Please be careful and make a backup of your game profiles before starting

Links
Saves
https://sharemods.com/wufpk2j3iuay/100percent-trucksim.7z.html
https://sharemods.com/1aakwai5zbir/full-save-ats.txt.html

Tools
TS SE https://forum.scssoft.com/viewtopic.php?p=1060834
7zip https://www.7-zip.org/
Sublime Text https://www.sublimetext.com/