In order to change your resolution, please try the following steps:
- In File Explorer, head to C:\Users\<username>\Documents\Settlers7.
- Locate the option.ini file and open it with Notepad (right-click on the file, then click on Open with... and choose Notepad).
- Once the file is open, change the Screen Height value to 1080 and the Screen Width value to 1920.
- Save the file and relaunch the game.
If you have any problems with this workaround, please contact our support team.