Key:
Speak and bear witness to the "Resurrection of the Christ".
How?
This Jesus God raised up, and of that we all are witnesses. Being therefore exalted at the right hand of God, and having received from the Father the promise of the Holy Spirit, he has poured out this which you see and hear. - Act 2:32-33
Receive the Holy Spirit
"Repent, and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins; and you shall receive the gift of the Holy Spirit. -- Acts 2:38