I think your best choice is to brute force it
(...)if you know part or some of the password
that will be helpful.
Brute forcing without hint maybe take much time, so maybe no for now.
if you want to try recover by yourself, try btcrecover
https://github.com/gurnec/btcrecover or if you want simple way, you can try this service
https://walletrecoveryservices.com . It has a lot positive review and testimonials