You can also drag and drop the file into C:\Windows\Fonts or the .

Always download from official channels to avoid violating copyright (though it is largely open).

is a popular Tamil Unicode font developed by the Tamil Software Company (TSC) . It is widely used for:

variation for a particular operating system or typing software? Installing tamil fonts - Microsoft Q&A

The TSC fonts were originally created by the Government of Tamil Nadu for non-commercial educational use. Most "updated" versions uploaded by third parties are redistribution of that freeware. You may use TSC Avarangal for school projects, government correspondence, and personal publishing. For commercial software or paid mobile apps, please contact the Tamil Nadu Textbook Corporation for a proper license.