Installing Joomla 4 and the QuickStart package requires a server (Linux / Apache), but it can be installed also locally on your computer with WAMP/JAMP/XAMPP/MAMP software. Please make sure your system meets the following requirements:

• PHP 8.0, PHP 8.1 or PHP 8.2
  
• PHP: memory_limit: 256 MB or 512M or higher
• PHP: post_max_size: 128M or higher
• PHP: upload_max_filesize: 30M or higher (but do not set unlimited value "-1")
• PHP: max_execution_time = 300 (or more is suggested)
• MySQL 8+ or MariaDB 10+

• cURL library - your server must work with curl or url_fopen.
• OpenSSL Libraries - must be enabled.
• PHP file_get_contents() function - must be available/unlocked.

Note: Support for PHP 7 ended (!). Change the PHP version from cPanel or change the hosting company.

* Those values can be changed in php.ini or .htaccess file. Please contact your web hosting service provider to ask them where/how to change PHP settings.

In addition, some features of the modules and components** used in a template may require:

• GD library support
• cURL library support
• Support for mb_* functions in PHP to use multibyte strings

**More information you can find inside SP Page Builder documentation.

Remember to restart Apache (localhost only) after configuration changes.

Browsers support

Chrome, Safari, Firefox, Brave, Opera, Edge (Chromium-based), and Dissenter

• Design support for Edge (old version) may be limited in certain areas. Please update to a new version.
• Design support for IE11 and IE10 is limited in certain areas. Please update to Edge (based on Chromium) or use custom CSS IE Hacks if necessary.

Notice: Microsoft will no longer provide security updates or technical support for Internet Explorer 11.