Visit the Tamil Virtual Academy (TVA) website. This is the primary repository for official Tamil fonts.
You can also copy the .ttf file and paste it directly into the C:\Windows\Fonts folder. how to download tau marutham font
Open the extracted folder, right-click the Marutham.ttf file, and select Install . Visit the Tamil Virtual Academy (TVA) website
If you downloaded a .zip folder, right-click it and select Extract All . right-click the Marutham.ttf file
Look for the section titled "Tamil Unicode fonts" or "Fonts".