You could first try to grasp what deity is, to start wading through the millions of claimed gods and goddesses in the world of humanity. You soon discover that the idea of deity has gripped human thinking from the earliest times and that human imagination has run riot in this area. Not animals, though. This seems to be unique to humanity, which is worth pondering, in itself. That's the long-way round the subject.
The short way is to consider this universe, all that is in it and to acknowledge that no humans contributed even one iota to all of that. We find ourselves here, with life and intelligence and wonderment, appreciation of beauty and a deep desire to fathom the big questions of life. Then, when humans have the one who made everything communicate with them, some of us pay attention and take that into the equation. Others do not. But the God of the Bible declares something of Himself to humanity, explains His plans and invites us to draw close to Him. That is why the Bible starts with,
"In the beginning, God..."
Make that your starting point, avoid the quagmire of base idols and mere religiosity, and read what this one Creator God has communicated to us. He is not far away to those who desire sincerely to come to Him. He is personal, being the creator of personality, He is awesome in power, knowledge, holiness, perfection, righteousness, love, justice. These are aspects of His very Being but I cannot list everything here. Get stuck into the Bible to find out. Do that prayerfully, however. Mere reading does nothing. You need to have a heartfelt desire to seek this God of the Bible who reads hearts and minds, for He created them, and you.