How to recover my wallet?

I just recently got my gpu up and running again. I got in today to check what my balance was and to use my computer, and when I opened raven core it told me to create a new wallet. Not thinking I did it, but realized that wasn’t my wallet. I deleted the wallet.dat file to force a reset on the wallet, so then that way I could hopefully recover my old one. I was never prompted “enter in your BIB(or whatever it’s called, the magic words that are like your password). I was forced to create a new wallet regardless. How do I they my old wallet back. I have all 12 words I used for wallet