How can I change default font family in WireframePro?

To change font family of a component, follow the below steps:.

1
Select any component that has text like Button, Label, Text,..
2
In its component settings, select 'Font' to bring up the 'Font chooser' dialog box

3
In the font dialog box, select from built-in fonts / Google fonts to change the 'font family' of a component

4
To change the 'font family' of another component to already used 'Font' , select the 'Used' tab in the font dialog box. This helps to select fonts only used already in that project.