Features:

Live View
View your web pages under real-world browser conditions with the new Live View in Dreamweaver — while still retaining direct access to the code. The new rendering mode, which uses the open source rendering engine WebKit, displays your designs like a standards-based browser.
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Related Files
Manage the various files that make up the modern web page more efficiently in Dreamweaver. The Related Files feature displays all the documents associated with your current page, whether CSS, JavaScript, PHP, or XML, in a bar along the top of your document.

Code Navigator
The new Code Navigator pop-up window shows you all the code sources that affect your current selection. A click in either Code or Design view brings up the Code Navigator pop-up, which displays CSS rules, server-side includes, external JavaScript functions, Dreamweaver templates, Library files, iframe source files, and more.

CSS best practices
The Property inspector’s new CSS tab shows the styles for the current selection as well as all the applicable CSS rules. Hover over any property to view a tool tip with jargon-free English explanations of CSS principles. New CSS rules can be created and applied in the Property inspector panel and stored in the same document or an external style sheet.

Code hinting for Ajax and JavaScript frameworks
Write JavaScript more quickly and accurately with improved support for JavaScript core objects and primitive data types. Work with popular JavaScript frameworks including jQuery, Prototype, and Spry.

HTML data sets
With HTML data sets functionality, you can create your data in a standard HTML table, a series of div tags, or even an unordered list and then choose Insert > Spry > Spry Data Set to integrate that data into a dynamic table on the page with sortable columns, a master-detail layout, or other sophisticated displays.

Photoshop Smart Objects
Photoshop and Dreamweaver integration has evolved to the next level of compatibility and functionality. Drag and drop an Adobe Photoshop® PSD file into a Dreamweaver page to create an image Smart Object.

Subversion integration
Dreamweaver integrates Subversion software for a more robust check-in/check-out experience with file versioning, rollback, and more. Once you’ve defined Subversion as your version control system, you can update your site to get the latest versions of its pages directly from within Dreamweaver; no third-party utility or command-line interface is required.

Adobe® AIR™ authoring support
Create multiplatform desktop applications from your Dreamweaver HTML and JavaScript sites with new Adobe AIR™ authoring support.

New user interface
Work faster and smarter across Dreamweaver and other components of the next version of Adobe Creative Suite® thanks to a new level of integration and common user interface elements.

Tested on XP Pro SP3 and Vista Ultimate SP1 with admin rights.
Extract (with a PortableApps folder at the device's root) and run DreamweaverCS4Portable.
Portable settings stored in Data
Settings of installed Dreamweaver should be preserved.

Size: 54,8 MB

Code:
Available for users only