In Windows 10 Pro (Version 1909) on a Surface Pro 3:
- In File Explorer go to “C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Steinberg UR824” or wherever your dspMixFx shortcut is.
- Right-click on dspMixFx UR824 and select Properties.
- Select the Compatibility tab and click on Change high DPI settings.
- Tick Override high DPI scaling behaviour and set Scaling performed by to System (Enhanced) in the drop-down.
- Click OK twice.
Steinberg dspMixFX should now appear much larger with a better resolution.