Sorry, that has been 'improved' out of Windows 10.
WIN10 FCU- CANNOT CHANGE SYSTEM FONT SIZE – WINAERO TWEAKER
https://www.addictivetips.com/windows-tips/chan...
https://winaero.com/comment.php?comment.news.1836
https://winaero.com/blog/the-list-of-winaero-tw... list of features in the tool
The Fall Creators Update “improved” the Control panel to eliminate the option for users change just the system Font Size. Complain to MS using the Feedback Hub.
There are a couple of Workarounds:
- Registry Hack
- Dedicated applet to change just the font size
- Winaero Tweaker untility to customize many Windows settings
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https://www.windowscentral.com/how-change-defau... this page has a reg hack
http://www.toptrix.net/2017/12/change-windows-1... - this page introduces an applet, Advanced System Font Changer
I have used earlier versions of Winaero Tweaker with no problems.
Note: in Winaero Tweaker, font changes are spread through several options to limit changes to specific features. ie under “Advanced Appearance Settings” in:
- “Icons”, change font for Desktop and Explorer icons
. - “menus” change just for menus
- “Message Font”