I come with unfortunate news: in my investigations, I have stumbled on a completely decisive proof of atheism. I know, me even saying this is proof enough to convince you, but you should at least read the argument since it's a good maxim to think for yourself. Take some time to emotionally adjust, and then proceed.
Take some time to emotionally adjust, and then proceed. Everyone learns in grade school that it's possible for things with probability 0 to happen. If I flip a coin infinitely many times, it could happen that I get a heads every time.
If I flip a coin infinitely many times, it could happen that I get a heads every time. But the probability of that is less than or equal to the first n tosses all being heads, the probability of which is 1/2n.