The Revoice Pro UI is too small in Windows on my High DPI (4k+) monitor

Revoice Pro does not have built-in UI scaling options, but will respond to Windows' own scaling tools.

High DPI scaling can be adjusted on a per-app basis from the app's properties.

In Explorer or in the Start menu, right-click the application name, select Properties, select the Compatibility tab, and then click the "Change high DPI settings" button to access the settings.