Select and Right click on the Font(s) you want to install and select Install from the context menu that appear. Your font will be instaled if it is right for Windows Vista. But it will confirm your acceptance by asking you through user account control pop up window. Simply click on Continue, and you are done.
Hmmm Strong enough for a Firefox Font but made for an LCD Clock Extension.
Tried it in Windows 7, but I go through the options menu and can't find out how to change fonts. Right click on the clock & all I get is Options/Set Alarm/Clear Alarm. -- Explore Xubuntu. Like It? Install It. [Love It]!