It is widely believed that if you become adept at lucid dreaming, then astral projecting will be easier to accomplish. I don't astral project, I just lucid dream. But my sister who can do both very well has said this is true.
I would say for you to read this,
And try out these here, https://www.spellsofmagic.com/videos.html?coven=0&cat=astral
And then research the different methods of astral projection.