What is Web Premium?
Adobe® Creative Suite® 5.5 Web Premium software provides everything you need to create and deliver standards-based websites with HTML5, jQuery Mobile, and CSS3 support. Design immersive digital experiences and apps across desktops, smartphones, tablets, and televisions

What's new in 5.5?

Multiscreen Preview panel View website designs as they would appear across screens of different sizes and resolutions within a single, easy-to-use panel in Adobe Dreamweaver® CS5.5. Handle custom media queries and efficiently manage multiple CSS files
Robust jQuery Mobile support Build rich content for devices with support for the jQuery Mobile framework in Dreamweaver CS5.5. Take advantage of mobile templates, contextual code hinting, and the ability to quickly insert objects into a design
Expanded platform and device support Use Flash Professional to create content optimized for delivery to multiple screens and reach audiences on the latest Flash Player and Adobe AIR® runtimes, as well as on Android™, BlackBerry®, iOS, webOS, and Adobe Digital Home devices
Efficient workflows for multiple screens Manage FLA files that target different devices with Flash Professional. Consider mobile first, and share assets across documents and device targets to efficiently create, test, package, and deploy content across multiple screens
Powerful mobile application development Build standalone applications targeted at multiple platforms using the new mobile support for ActionScript® and Flex projects in Adobe Flash Builder 4.5 Premium Edition. Leverage mobile-ready components optimized for performance and touch input
Full designer-developer workflow Work collaboratively and confidently on shared Flex based projects with a new bidirectional workflow that allows designers who use Adobe Flash® Catalyst® CS5.5 to work in parallel with developers who use Adobe Flash Builder™ 4.5
Support for Flash Player 10.2 Target an expanded set of devices with Adobe Device Central CS5.5, including those that support the latest version of Adobe Flash Player, which is optimized for mobile devices
HTML5 emulation and debugging Use Adobe Device Central CS5.5 to emulate HTML5 content on supported devices, and take advantage of the latest version of Webkit to profile media queries, video, canvas, and SVG. Enable/disable JavaScript and get real-size previews
Enhanced code snippets handling Utilize over 20 new code snippets in Flash Professional CS5.5, including ones for creating mobile and AIR applications, use of the accelerometer, and multitouch gestures. Use the new pick whip to visually add interactivity with ease
Enhanced creative freedom on the go Take your creativity beyond the desktop. Use mobile devices like the iPad with Adobe Ideas sketching software and additional companion apps as they become available for Photoshop CS5 Extended. See all mobile apps

• Design with industry-leading authoring tools Optimize your projects in Adobe® Creative Suite® 5.5 Web Premium software by thinking about mobile first. Develop websites and applications with efficient tools in Adobe Dreamweaver® CS5.5, Flash® Professional CS5.5, Photoshop® CS5 Extended, and Illustrator® CS5
• Develop apps for virtually any mobile device Create rich applications targeted at multiple platforms. Reach audiences on the latest Flash Player and Adobe AIR® runtimes, and on Android™, BlackBerry®, iOS, webOS, and Adobe Digital Home devices
• Ensure design integrity across the web Feel confident about your audience's experience. Test websites for reliable, consistent performance across desktop computers, laptops, and smartphones in Dreamweaver CS5.5. Emulate HTML5 content on different devices with Adobe Device Central CS5.5
• Efficiently develop cutting-edge rich Internet applications Optimize RIA development with intuitive new tools and workflows for more efficient creation of engaging Flex and ActionScript based applications

• Multicore Intel processor
• Mac OS X v10.5.8 or v10.6; Mac OS X v10.6 required for Adobe Flash® Builder™ 4.5 Premium and Flash Builder integration with Flash Catalyst and Flash Professional
• 1GB of RAM or more recommended
• 11.2GB of available hard-disk space for installation; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
• 1280x800 display (1280x1024 recommended) with qualified hardware-accelerated OpenGL graphics card, 16-bit color, and 256MB of VRAM
• Some GPU-accelerated features require graphics support for Shader Model 3.0 and OpenGL 2.0
• DVD-ROM drive compatible with dual-layer DVDs
• Java Runtime Environment 1.6
• Eclipse 3.6 Cocoa version required for plug-in installation
• QuickTime 7.6.2 software required for multimedia features
• Adobe Flash Player 10 software required to export SWF files
• Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis