How can I apologize to God?

Pray to God.

Talk and Communicate with God.

That is all you do.

Joe

Feeling guilty about what exactly?

We need to talk to him, just like you would talk to me, many people write a letter to him and burn it allowing it to rise to the heavens, others just go into private and talk to him.

And most of us pastors are here for our local members to talk and cousel, we are not God but we are here to listen and help

Sin is the only thing that can make you feel guilty. When we harbor unforgiven sin, Satan accuses us of it. He taunts us from the spiritual plane. When we ask GOD for forgivness, we cannot be accused nor taunted by the father of lies, Satan. Ask GOD to forgive you and when you start to feel the guilt, tell the evil ones, in the name of Jesus, to leave you alone.

I agree with the other posts - You pray. Talk to God like you are talking to your Father - because that is what He is.