If any of these items are not supported, your system does not meet the minimum requirements for installation. Please take appropriate actions to correct the errors. Failure to do so could lead to your Joomla! installation not functioning properly.
Requirements for Joomla 3.0
| Software | Recommended | Minimum | More information |
| PHP | 5.6 or 7.0+ | 5.3.10 | http://www.php.net |
| MySQL | 5.5.3 + | 5.1 | https://www.mysql.com/ |
| Apache (with mod_mysql, mod_xml, and mod_zlib) | 2.4 + | 2.0 | http://www.apache.org |
| Nginx | 1.8 + | 1.0 | https://www.nginx.com/resources/wiki/ |
| Microsoft IIS | 7 | 7 | https://www.iis.net/ |
Requirements for Joomla 1.6, 1.7 & 2.5
| Software | Recommended | Minimum | More information |
| PHP | 5.6 + | 5.2.4 | http://www.php.net |
| MySQL | 5.0.4 + | 5.0.4 | https://www.mysql.com/ |
| Apache (with mod_mysql, mod_xml, and mod_zlib) | 2.2 + | 2.0 | http://www.apache.org |
| Nginx | 1.1 + | 1.0 | https://www.nginx.com/resources/wiki/ |
| Microsoft IIS | 7 | 7 | https://www.iis.net/ |
Joomla 1.6 will require PHP 5.2+ and MySQL 5.0.4+.
Requirements for Joomla 1.5.x
| Software | Recommended | Minimum | More information |
| PHP* | 5.3 + | 4.3.10 | http://www.php.net |
| MySQL** | 4.1.x + | 3.23 | https://www.mysql.com/ |
| Apache*** (with mod_mysql, mod_xml, and mod_zlib) | 2.0 + | 1.3 | http://www.apache.org |
| Microsoft IIS**** | 7 | 6 | https://www.iis.net/ |
* Do not use PHP 4.3.9, 4.4.2 or 5.0.4. These releases have known bugs that will interfere with installation. Zend Optimizer 2.5.10 for PHP 4.4.x also has serious bugs and you should ask your host to upgrade to a newer version. Joomla! versions 1.5.15 + are compatible with PHP 5.3. Note that the OpenID library is not yet compatible with PHP 5.3.
** Joomla is not yet compatible with MySQL 6.x.
*** In order to use SEO URLs, you will need to have the Apache mod_rewrite extension installed.
**** For Microsoft IIS (depending on your setup) you may need the following:
- PHP 5.2 - PHP Installation instructions
- MySQL 5.1 - MySQL Installation instructions
- Microsoft URL Rewrite Module - Required for SEO URLs only. For more information, read more about: Using the URL Rewrite Module. For information about using ISAPI, read more about: Enabling Search Engine Friendly (SEF) URLs on IIS/IIS6.
- FastCGI - Download for IIS6. Download for IIS7.
- For further assistance using Microsoft IIS, visit the Joomla IIS forum.
Configuration options
If installing on a local computer, there are a number of packages that will help you get set up quicker than individual installations:
- LAMP (Linux) - Most Linux distributions come with a pre-configured LAMP server.
- WAMP (Windows) - For more information, read more about: How to create web server on localhost with WampServer?
- MAMP (Macintosh) - For more information, visit https://www.mamp.info/en/
- XAMPP (Multi-platform) - Not for live sites. For more information, read more about: How to create web server on localhost with XAMPP?
