t31os said:AFAIK firefox uses the font associated with the Windows theme.
manoz said:Right click your desktop, go to properties, go to appearance tab, click advanced button, you can change fonts on some of those items.
Tosk said:you can change the firefox menu font if that's what you trying to do
you can do this by going to Tools> Options> Content tab
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after setting the font you will need to restart firefor for the settings you
have changed to take effect
as for the font that's shown on web sites that set via the designed
but this can also be changed in the View> Character> font list but i
wouldn't change that is i was you as it could make a mess of sites
layouts and design.