What are the exact steps to chnaging a deed from one owner to 2 owners? Does the tilte automatically change? Thanks anry much

In order to change a deed the current owner must prepare a new deed transferring the property to the new owners. Yes, the title automatically changes.

There is a sticky post at the top of the Real Estate Law forum that explains how to add someone to a deed. You can read it at https://www.askmehelpdesk.com/real-estate-law/how-add-someone-your-deed-91136.html

What are the exact steps to chnaging a deed from one owner to 2 owners? Does the tilte automatically change? Thanks anry much

Technically, you are changing the title, not "changing a deed". A deed is a piece of paper effecting title. You are executing a new deed which has the effect of modifying the title.