Zend Studio Client - System Requirements:

• Supported platforms:
• Microsoft Windows (32 bit) 2000 / XP Professional / 2003 Server family.
  (For Windows 2000 users, it is strongly recommended to install Microsoft's Service Pack 3)
• Linux glibc 2.1 / 2.2 / 2.3 (e.g. RedHat 6.x / 7.x / 8.x / 9.x / Fedora Core, Debian 2.2, SuSE 6.4 / 7.2, Mandrake 8.1 / 9 / 10, and others)
• Mac OS X 10.4 G3, G4 or G5 processors with Java 5.
• Note: The Zend Development Environment is likely to work under other platforms which support the Java 2 environment. However, it is not officially supported under these platforms.
• 500MHz processor (800MHz processor recommended)
• 256MB RAM (512MB recommended)
• 100MB of hard disk space

Zend Studio Client - PHP Compatibility:

• Supports all PHP versions

Zend Studio Server - System Requirements:

• Supported platforms: (32 bit unless specified otherwise)
• Microsoft Windows 2000 (all) / XP Professional / NT4 / 2003 Server family.
  (For Windows 2000 users, it is strongly recommended to install Microsoft's Service Pack 2)
• Linux glibc 2.1 / 2.2 / 2.3 Including:
  - RedHat Enterprise Linux 2.0 / 3.0, RedHat Linux 6.4 or later, Fedora Core.
  - SuSE Linux 6.4 through 9 (all editions).
  - Debian 2.2.
  - Mandrake 8.x through 10.
  
• Linux Glibc 2.3 AMD 64 bit
• Mac OSX 10.2/3/4 G3, G4 or G5 processors.
• Sparc Solaris 6 or later
• FreeBSD 4.x
• FreeBSD 5.0 through 5.2
• Supported Web Servers:
• Apache 1.3.x
• Apache 2.0.x prefork
• IIS 5 or later
• 10MB of hard disk space

Zend Studio Server - PHP Compatibility:

• Unix: PHP versions 4.3.10 and 5.0.3 included, also compatible with users own PHP versions 4.1.0 and above.
• Windows: WinEnabler for PHP 4.3.9 included, also compatible with users own PHP versions 4.1.0 and above.
• Mac OSX: OSX 10.2 and above, PHP 4.3.2 and above.

Zend Platform for Enterprise Edition - System Requirements:

• Supported operating systems:
• Linux x86, x86-64
  Including:
  RedHat Enterprise Linux, Fedora Core, Suse Linux Enterprise Server.
  Other major Linux distributions are supported as well.
  
• Sparc Solaris 8 or later (Installation requires GNU tar)
  
• FreeBSD 5.4, 5.5
  
• Supported Web Servers:
• Apache 1.3.x
• Apache 2.0.x (compiled in prefork mode only!)
• Zeus
• Supported Browsers:
• MS Internet Explorer 5.5 and above
• Netscape 7 and above
• Mozilla 1.7 and above
• Firefox

Zend Platform for Enterprise Edition - PHP Compatibility:

• Supported PHP versions: 4.3.9 and above, 4.4.x, 5.0.x, 5.1 RC2