How do I download tamil font in MacOSX?
Murasu Anjal Muthal Edition is only available for Windows.
Go to System Preferences, Click Keyboard, Select Input Sources and scroll down to find Tamil and select your inout method choice. (Anjal, Tamil99)
Input Sources will appear on the Menu Bar. Select Anjal/Tamil99 to start composing Tamil text in MacOSX.
Click the link to view the instruction.