Hello. In PHP 8.0.30 release announcement<https://www.php.net/archive/2023.php#2023-08-04-1> it says that Windows source and binaries can be found on windows.php.net/download/<https://windows.php.net/download#php-8.0>.
At August 10th they are not yet available. 8.0.29 is latest available for PHP 8.0. Kind regards, Timo Moisio