Navigate to where your game is installed and open the Launcher folder.
This could look like something like this:
'\Steam\steamapps\common\Baldurs Gate 3\Launcher'
Once you're there, right click LariLauncher.exe and click 'Properties'. Then click 'Change high DPI settings'.
![[Linked Image]](https://i.imgur.com/XGE8B9k.png)
Check 'Override high DPI scaling behaviour.' and make sure scaling is performed by application.
![[Linked Image]](https://i.imgur.com/JmlEQGO.png)
This
should fix your blurriness issue.