To get access to files, go to Queeny army on your games library and rigth click on it, select "manage" and click on "local files" There you can find the folders containing the calendar in their respective languages.
This calendar will be updated every year with different images starting from 2023 to an indefinite date.
Enjoy it as your desktop background on your PC or cell phone, or you can print it out and use it on your personal desktop or on your bedroom wall.
