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			wp_not_installed is private and should not be used in themes or plugins directly.
wp_not_installed › WordPress Function
Since3.0.0
Deprecatedn/a
› wp_not_installed ( No parameters )
| Access: | 
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| Defined at: | 
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| Codex: | 
Redirects to the installer if WordPress is not installed.
Dies with an error message when Multisite is enabled.Source
function wp_not_installed() {
	if ( is_blog_installed() || wp_installing() ) {
		return;
	}
	nocache_headers();
	if ( is_multisite() ) {
		wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
	}
	require ABSPATH . WPINC . '/kses.php';
	require ABSPATH . WPINC . '/pluggable.php';
	$link = wp_guess_url() . '/wp-admin/install.php';
	wp_redirect( $link );
	die();
}