Please note that you save the file with ttf extension in c:\windows\fonts directory  . By default the file will be saved with .exe  extension & you will not be able to install the fonts.

Instructions  for installation of the fonts

• Extract & save the fonts to a particular directory (for eg: c:\fonts) if you have downloaded the non-exe file.
• Select Control Panel and then Fonts.
• Click on the Add button / Select Install new fonts from file popup menu and give the path where you have saved the fonts.
• Press OK or the Close Button.
• After installing fonts, if still you see junk characters please changes settings of browser to accept user defined fonts.