Do you know for sure that if you were to die you would go to heaven? This is the most important decision you will make that will last for eternity.
To go to heaven you have to be perfect, but no one is. So, there is only one Solution.
Jesus Christ. He took your sin, and your punishment that YOU OWE (Romans 3:23, 6:23). He died on the cross and rose from the dead. He said that if you trust Him as the One, Who died on the cross as the payment for your sins, You will have eternal life and you will go to heaven.