Right click on any empty area of Desktop to access Display Settings.
Next up, use the provided slider to "Change the size of text, apps, and other items,"
Drag the slider to the desired scale.
Once you've got the font and icon size set to your liking, click the "Apply" button.
You have to sign out and sign in to get the result.
S.Sengupta,Microsoft MVP Windows and Devices for IT, Windows Insider MVP