Help me with my wallet [SOLVED]

Can I change the password in my NEM NANO WALLET?

Hello,

No. There is no such option but you can create new wallet from private key with different password.

If I create a new wallet from private key with different password,NEM will stay in my wallet?

Yes. Have you private key backup?

To create private key wallet:
Sign up -> Private key wallet option.

yes,thank you