If you have downloaded a NC_Tamil_Fonts.zip , follow this procedure for a standard Windows/macOS installation:
Check inside your NC ZIP file for Latha and Akshar —they are often the hidden gems that complete the collection. nc tamil fonts collection zip top
Downloading the zip file is just the first step. Once you have your collection, you need to install the fonts to use them. The process is straightforward on all major operating systems. If you have downloaded a NC_Tamil_Fonts
Comes with a preview.html file showing all fonts with sample Tamil text. If you have downloaded a NC_Tamil_Fonts.zip