Submit a Common Form Petition to Probate a Will or a Solemn Form Petition to Probate a Will. All common probate forms are available on the website of the Supreme Court of Georgia. Cover the filing costs. The petition must be filed with the appropriate filing fees. To learn more about filing costs in your county, visit the webpage for the probate court there. Questions for the Witness to the Will Self-proving affidavits are a common addition to wills. If not, you must submit the “Interrogatories to the Witness of the Will” form.