Many of these sites bundle old, corrupted versions of the font that cause "character breakage" (where Tamil vowels detach from consonants). Worse, they often pack the font inside a .zip file containing adware. Stop using old TTF fonts. Instead, use Google Input Tools for Chrome or Microsoft SwiftKey for Windows. These tools allow you to type in Anjal style without installing a single font file.
Tech & Downloads | Tamil Computing
However, over the years, Microsoft recognized the need for better Tamil support. With the release of , the classic "Anjal" keyboard layout was integrated directly into the operating system. While the name might not say "Murasu," the functionality is identical. tamil font murasu anjal free download