You haven’t activated the Kruti keyboard. Go to Control Panel → Region & Language → Keyboards → Add “Hindi (Traditional)” or use a third-party tool like “Lipika IME” .

Once installed, activate the font in your software:

: Open the 4C Lipika software and enter your Product Key . Use the default hotkey (often Ctrl + Alt + H ) to toggle between Hindi and English typing. Why Use 4C Lipika? Fonts - 4CPlus

This is the fastest method for most users.