2GHz or faster processor
Microsoft® Windows® XP with Service Pack 3, Windows Vista® Ultimate or Enterprise (32 or 64 bit running in 32-bit mode), Windows Server® 2008 (32 bit), or Windows® 7 (32 or 64 bit running in 32-bit mode)
1GB of RAM (2GB recommended)
1.5GB of available hard-disk space
Java™ Virtual Machine (32 bit): IBM® JRE 1.6 or Sun™ JRE 1.6
1024x768 display (1280x800 recommended) with 16-bit video card
DVD-ROM drive
Eclipse™ 3.6.1 (for plug-in installation)*

Mac OS

Intel® processor
Mac OSX v10.6
1GB of RAM (2GB recommended)
1.5GB of available hard-disk space
Java Virtual Machine (32 bit): JRE 1.6
1024x768 display (1280x800 recommended) with 16-bit video card
DVD-ROM drive
Eclipse 3.6 Cocoa version (for plug-in installation)*

* The following distributions are supported: Eclipse IDE for Java EE developers, Eclipse IDE for Java developers, Eclipse Classic, Eclipse for PHP developers.

Flash Builder 4.5 data-centric development features

Adobe® ColdFusion® server: ColdFusion 8.0.1 or 9.0.1
J2EE server: BlazeDS 4 or Adobe LiveCycle® Data Services 3.1
PHP server: Zend Server Community Edition 5.x, Zend Server 5.x, or Apache 2.2 / Microsoft IIS 5, 6, or 7 with PHP 5.2 and later
Web services: Web Services Description Language (WSDL) 1.1