.... "There is no compulsion in religion?" True. "Whoever will may believe, and whoever will may disbelieve?" True. However, this is on the condition that you do not enter the Islamic faith. You are free. No one is compelled to believe in, or convert to, Islam. You're Christian? Be a Christian. You're Jewish? Be a Jew. You're in any other religion? Be whatever you like.
But you should know that Islam is a religion that has limitations and rulings. One of its established rulings, upon which all scholars unanimously agree, is that whoever enters Islam voluntarily, not forcibly--it is not permissible for him to apostatize from Islam. If he does that, the ruling upon him is death. [Translating Jihad] Read more