To change Xilica Designer's default font size, 

  1. Open the Xilica Designer software.
  2. In the top menu, select Settings > Preferences. 
  3. Under the Look & Feel tab, change the font size.
  4. Select Apply Font, then Done.
  5. To see the new changes, restart the Xilica Designer software.
  6. You will see the new changes applied.

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