Know that God has made Salvation and forgiveness of sin as simple as A-B-C:Admit that you are a sinner and therefore separated from a holy God.
"For all have sinned and come short of the glory of God." Romans 3:23
Believe that Jesus Christ died for you and rose from the dead to pay for your sins.
"God demonstrates His own love toward us, in that while we were still sinners, Christ died for us." Romans 5:8
Confess Jesus Christ as your Lord and Savior by repenting (turning from) of your sin and trusting Him alone for forgiveness and salvation.
"If you confess with your mouth the Lord Jesus and believe in your heart that God has raised him from the dead, you will be saved. Romans 10:9
"Behold, I (Jesus Christ) stand at the door (of your life) and knock. If anyone hears my voice and opens the door, I will come in... Revelation 3:20