WHAT IS IN THE WINDOWS?

MALACHI 3:6-12

"Bring ye all the tithes into the storehouse, that there may be meat in mine house, and prove me now herewith, saith the Lord of hosts, if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough to receive it." (Malachi 3:10 KJV)