Check your PHP version (e.g., 8.2) and server architecture (Linux/Windows, 64-bit) by creating a phpinfo.php file or using the official Loader Wizard Step 2: Download & Extract Download the matching Loader package from the official site . Extract the (Linux) or (Windows) file corresponding to your PHP version. Step 3: Update zend_extension line to your zend_extension , not just Example (Linux):