How can I change the font size in the panels?

[tomcurran5414345]

Go to Control Panel. Select Personalization. Select the adjust font size (small text) from the left-hand toolbar. Select set to default scale.
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How can I change the font size in the panels?

 

[clee01l]

If you are a Windows user, this is a Windows API control the is handled in Settings. IIRC, there are two or three classes in settings to manage the appearance of a window and the data in it. Windows didi not fully address the hiDPI screens until that came out with their own hardware. (SurfacePro).