Before we can determine whether Christianity is true (or false), we need to determine whether Christianity is the kind of thing that could be true (or false)?
In order to determine whether Christianity is the kind of thing that could be true (or false), we need to determine what kind of a thing Christianity is. Or, conversely, if Christianity is the kind of thing that could be true (or false), then that is an important clue as to what kind of a thing Christianity is.
Is Christianity a religion or a relationship?
What is a religion?
What is a worldview?
Is Christianity a worldview?
What makes a worldview true (or false)?
What is the Christian worldview?