God knowing beforehand that man was going to fall ,he proceeded in creating man anyhow because if he had chosen not to create man because of the Fall he would have taken away man's freedom to choose/free moral agency. God told man what to do and what not to do yet he already knew beforehand in eternity past what man was going to do. To make things short and sweet, God allows what we allow yet he tells us in his word starting back in the garden what to believe and what not to believe, what to do and not to do and so forth. And he even warns us of the consequences starting in Genesis 2:17 and still to this very day all sinners and even many Christians are still eating from the wrong tree which I call the tree of death or the tree that leads to death and not life yet he told us at the beginning what tree to eat from and what tree not to eat from. Every time we believe God we're eating from the tree of Life yet every time we don't believe God we're eating from the tree of death even though the tree that leads to death looks good according to Genesis 3 yet man chose not to believe God. God did not tempt man but gave him a choice and he told him what to choose beforehand even warning him of the consequences as He still does today. The proof that it was always God's will for man to have the freedom to choose or not choose Or to believe or not believe what God Said will all show up in the Great White Throne Judgment for those who did not believe and in the Judgment seat of Christ for those who received the gospel by believing it. Giving an account of our works Revelations 20 and 1st Corinthians 3:13 to 15 just for starters. Fair warning.