Thank you. I went to settings and clicked on change passphrase, but it was grayed out & won't let me access it or make any changes . Would this mean I don't have a password ?
Yes, that means that there is no passphrase. You should set one because that means your wallet is unencrypted. To set a passphrase and thus encrypt your wallet, go to Settings > Encrypt Wallet.
I'm also using Bitcoin Core, is that something different ?
No, I am talking about Bitcoin Core.