Nobody will ever be able to *prove* God to an atheists or skeptics satisfaction because every bit of evidence brought to the table will be dismissed as not relevant or adequate.
They hold creationists to standards they don’t hold themselves to.
And as Abraham told the rich man in hell who said that his brothers would believe if Lazarus went back, *Even if someone were to rise from the dead, they wouldn’t believe*.
Lack of belief has nothing to do with lack of evidence.
It’s not *can’t* believe, it’s *won’t* believe.
It is ever thus, and mere men cannot overcome such fanatical resistance. But the Holy Spirit can, and does, tame men, as He did me. Was lost but now am found, was blind but now I see.