You cannot type Shree Dev 0715 just by installing the font. You need a keyboard driver (IME) that tells Windows to send the Shree Dev mapping.
Unlike Unicode, which auto-forms conjuncts, Shree Dev 0715 requires manual halant use. marathi font shree dev 0715 keyboard
Pro Tip: For the most common conjunct 'त्र' (tra): Press T (त) + - (halant) + F (र – if र is on F). If that fails, the font may have a pre-formed 'त्र' on the T key alone. You cannot type Shree Dev 0715 just by installing the font
Even experts run into issues with Shree Dev 0715. Here are solutions to the top 3 problems. Pro Tip: For the most common conjunct 'त्र'