Plugin is discontinued. I don't offer any support. This plugin which allows fast and easy add new Google Fonts to your website, modify your theme
Login to WordPress admin panel, go to 'Plugins', next click 'Add New', choose 'Upload', click 'Browse' and find a kaplugins-gfonts.zip and next click 'Upload Now'
If plugin is installed, remember to activate it.
In the left menu new options will appear.