How can you get into your dad bank account your dad pass away and you are his only daughter and he was not married?

I'm sorry to hear about your loss. To access your father's bank account, you typically need to present a copy of his death certificate and proof of your identity, such as your ID or birth certificate, to the bank. You may also need to go through the probate process if the account was not jointly held or if there are no other legal documents, such as a will, that specify how his assets should be distributed. It's advisable to consult with a legal professional for guidance on navigating this process.