A - Admit that you're a sinner.
B - Believe that Jesus died to take the punishment for your sins, then rose again.
C - Commit your life to Him.
Take these ABC steps by saying this prayer, and meaning it -
" Lord Jesus, I know I am a sinner. Thank you that you died in my place, and rose again. I open the door of my life to you, and take you as my Personal Saviour and Lord. Please come in and forgive
my sins. I turn from my sin to serve you. Amen. "