Here is a simple guide on how to fix high resolution. if you can not see the info on your screen.
How to Fix High Resolution
The game’s UI scale only goes down to 75, but lower numbers can be used with a simple registry hack.
1. Find HKEY_CURRENT_USER\Software\Shining Rock Software LLC\Banished
2. Double click GameUIScale
3. Set this to any number desired. 50 is recommended for 4K