Romans 10:17 - So then faith cometh by hearing, and hearing by the word of God.
Believe that Jesus is God's Son
John 8:24 - I Said therefore unto you, that ye shall die in your sins: for if ye believe not that I am He, ye shall die in your sins.
Repent of Yours Sins
Acts 17:30 - And the times of this ignorance God winked at; but now commandeth all men everywhere to repent.
Confess that Jesus is God's Son
Romans 10:10 - For with the heart man believeth unto righteousness and with the mouth confession is made unto salvation.
Be Immersed in Water (Baptism)
Mark 16:15,16 - And He said unto them, Go ye into all the world, and preach the gospel to every creature. He that believeth and is baptized shall be saved, but he that believeth not shall be condemned.
Live a Christian Life (faithful)
2 Timothy 3:14,15 - But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them; And that from a child thou hast know the Holy Scriptures, which are able to make thee wise unto salvation through faith which is in Christ Jesus.