There is a statement in the book “Twelve Steps and Twelve Traditions” (essays on these topics by a co-founder of AA) that I found shocking and liberating
Alcoholics Anonymous does not demand that you believe anything. All of its Twelve
Steps are but suggestions. p. 26
Do not let an unwillingness to believe stop you from trying the program. As an alternative or a supplement, check out this thread, you’ll get loads of ideas.