How to overcome satan

1. By being born again:  1JO 3:8  He who sins is of the devil, for the devil has sinned from the beginning. For this purpose the Son of God was manifested, that He might destroy the works of the devil.  9  Whoever has been born of God does not sin, for His seed remains in him; and he cannot sin, because he has been born of God.
2. By knowing his devices (plans, schemes, strategies, tricks, deceptions):  2CO 2:11  Lest Satan should get an advantage (superiority) of us: for we are not ignorant of his devices.
3. By wearing the whole armor of God:  EPH 6:11  Put on the whole armor of God, that you may be able to stand against the tricks of the devil.
4. By giving him no place:  EPH 4:27 Neither give place to the devil.   
5. By living sober and vigilant:  1PE 5:8  Be sober (composed, in control), be vigilant (alert, cautious, calculating); because your adversary the devil, walks about like a roaring lion, seeking whom he may devour.
6. By submitting to God and by resisting the devil:  JAM 4:7  Submit (obey) yourselves to God.  Resist (stand against) the devil, and he will flee from you.  1PE 5:9  Whom resist steadfast in the faith.
7. By faith in the blood of Christ and by the word of your testimony:  REV 12:11  They overcame satan by the blood of the Lamb, and by the word of their testimony; and they loved not their lives unto the death.   
8. By the Word of God (1JO 2:14):  MAT 4:10  Then Jesus said to him, "Away with you, Satan! For it is written, 'You shall worship the Lord your God, and Him only you shall serve.' "
9. By overcoming:  MAT 16:18   "And I also say to you that you are Peter, and on this rock I will build My church, and the gates of hell shall not prevail  (overcome, conquer, rule, be superior) against it.
10. By exercising authority:  MAT 16:19   "I will give you the keys of the kingdom of heaven, (symbol of authority) and whatever you bind on earth will be bound in heaven, and whatever you loose on earth will be loosed in heaven."