“Thank you for sending me those Bible Lessons, because those
lessons are changing my life around.” - Mark

If you have the fruits of the Spirit, this is the evidence that you have the Spirit.

10. Who may receive the Holy Spirit?
    
    Acts 5:32
    “And we are his of these things; and so is the Ghost, whom hath to them that him.”
    
    Are you willing to obey the teachings of Jesus? Those who obey Him may receive the Holy Spirit, and be guided by Him into all truth.