There are online forms that one can fill out. Your local probate court will probably have links to forms. The Georgia Supreme Court has a link for forms as well.

Clayton County, Georgia probate forms

Fulton County, Georgia probate forms

Fayette County, Georgia probate forms

Henry County, Georgia probate forms

Clayton County Probate Court has a free Pro Bono clinic.

Whether you retain me or another lawyer, I recommend that you hire a local attorney to handle your probate matter. You can use this tool to find another lawyer.

But you are allowed to DIY.