The following are the system requirements to run Magento . . .
[FONT=arial]Supported Web Servers:
- Apache 1.3.x
- Apache 2.0.x
- Apache 2.2.x
- Nginx (starting from Magento 1.7 Community and 1.12 Enterprise versions)
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[FONT=arial]Supported Browsers:
- Microsoft Internet Explorer 7 and above
- Mozilla Firefox 3.5 and above
- Apple Safari 5 and above on Mac only
- Google Chrome 7 and above
- Adobe Flash browser plug-in should be installed
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[FONT=arial]PHP Compatibility:
- 5.2.13 – 5.3.24
- Required extensions:
- PDO_MySQL
- simplexml
- mcrypt
- hash
- GD
- DOM
- icony
- curl
- SOAP (if Webservices API is to be used)
Safe_mode off
Memory_limit no less than 256Mb (preferably 512)
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[FONT=arial]MySQL:
- EE 1.13.0.0 or later: MySQL 5.0.2 or newer
- EE 1.12.0.2 or earlier: MySQL 4.1.20 or newer
- CE (all versions): MySQL 4.1.20 or newer
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[FONT=arial]Redis NoSQL (optional for CE 1.8 and later, EE 1.13 and later)
- redis-server version 2.6.9 or later
- phpredis version 2.2.2 or later
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[FONT=arial]SSL:
- If HTTPS is used to work in the admin, SSL certificate should be valid. Self-signed SSL certificates are not supported
Server – hosting – setup:
- Ability to run scheduled jobs (crontab) with PHP 5
- Ability to override options in .htaccess files
http://magento.com/resources/system-requirements
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