Found a buyer on a pre-foreclosure what's next

[Desiree Reguyal]

Lender is willing to lend me a hard money for a one year time frame. I found a house that has 150,000 equity that's on Preforeclosure .I found the owner, but what is my next step ?what exactly are the documents needs to be signed? Title has no lien aside from unpaid taxes and bank owned. Pls help, newbie here.