No human alive today knows exactly how to correctly pronounce God's Name. So much so, It isn't even worth arguing over. A very common way of saying His Name is Yahweh. I also hold to this pronunciation. Whether it is right or not is for God to decide, not us. If you really want to know, you got to ask Him to reveal it. But it doesn't matter in light of eternity. What does matter is if you have accepted Christ's free gift of forgiveness and eternal life.