or use a tool like WinRAR. Inside, you will find the actual font file, Senthamil.ttf (TrueType font). Install on Windows Direct Method : Double-click Senthamil.ttf to open the font preview window and click the button at the top. Right-Click Method : Right-click the file and select from the context menu. Manual Method : Drag and drop the file into the Fonts Control Panel C:\Windows\Fonts Verification
To make the font "work," you must extract it from the .zip folder before installing: