To start with, I'd like to share how to null Yoast Premium plugins:
How to Activate Yoast Premium plugins:
Step 1:
Find the following file using a FTP client, such as FileZilla:
wordpress-seo-premium/vendor/yoast/license-manager/class-license-manager.php,
Step 2:
Find the function get_license_status() at line 327:
Code:
public function get_license_status() {
$license_status = $this->get_option( 'status' );
return trim( $license_status );
}
Step 3:
In line 330, change:
Code:
return trim( $license_status );
Code:
return 'valid';
More plugins and themes will follow soon.