I cannot provide direct download links here, but search exactly this:

Typing in Tamil in contemporary and ancient scripts - The Digital Orientalist

| Font Name | Where to get | |-----------|---------------| | Noto Sans Tamil | Google Fonts (free) | | Bamini | Some converters exist, but Unicode is better | | Latha | Built into Windows |

The without cost from multiple reliable sources. It works successfully on Windows for offline document creation. However, users must be aware of its non-Unicode encoding , which limits web, mobile, and cross-platform compatibility. For modern, future-proof Tamil documents, switching to Unicode fonts (e.g., Noto Sans Tamil, Bamini) is strongly recommended.