You can download the via this Hindi Font Aaaman Download link . How to Install the Font

: Since Hindi Aman is a legacy font, it is not Unicode-compliant. If you need to send text via email or post it online, you will likely need to use a Kruti Dev/Aman to Unicode Converter Unicode-based Hindi fonts that don't require patching for modern apps? Write in another language on Mac - Apple Support (IN)

: Hind and Noto Sans Devanagari from Google Fonts are excellent for digital interfaces and high readability.

You can find the font through several direct and community sources. Because it is often shared as a standalone utility, ensure you are downloading from a reputable link: Google Drive Links