Download Adobe Flex 3.5 SDK

Adobe Flex logo

Download Adobe Flex 3.5 SDK

The Adobe® Flex® 3.5 Software Development Kit (SDK) includes the Flex framework (component class library) and Flex compiler, enabling you to freely develop and deploy Flex applications using an IDE of your choice.

Please send me six Flex Builder™ Getting Started messages.
Note: This does not enable other communications from Adobe, and messages will not be sent after the six messages.

Please sign me up to receive the Adobe News Flash newsletter with news, information and software updates related to Adobe Flash® Platform technologies.

* Required fields

First name *

Last name *

E-mail address *

Country *

Note to users: You are now on an Adobe company webpage. Any data you enter on this page will be processed directly by Adobe, its affiliates and agents and will be held and used by Adobe, its affiliates and agents in accordance with the Adobe Online Privacy Policy.

By providing your information and continuing, you are agreeing to the Adobe Terms of Use and Privacy Policy.

How will you be using this download of the Flex SDK?

What technology best describes the backend that your Flex application will connect to?

Adobe Flex 3.5 SDK

All platforms, English | 120 MB

By clicking the download button, you agree to the SDK License Agreement (PDF, 48.9K).

Adobe Flex 3.5 Data Visualization Components for Flex Builder

All platforms, English | 39.8 MB

For installation instructions, please refer to the release notes.

Adobe Flex 3.5 Automation Libraries for Flex Builder

All platforms, English | 333 KB

For installation instructions, please refer to the release notes.