To install CF Extension wizards to FB2

Follow the instructions in the folder installed during FB2 install:

Installing the ColdFusion Extensions for Adobe® Flex™ Builder™ 2

Before you install the ColdFusion Extensions for Flex Builder, you must have the following products installed:

Flex Builder 2
ColdFusion MX 7.0.2
Note: If you installed a previous version of the ColdFusion Extensions for Flex Builder, you must uninstall that version before installing the ColdFusion Extensions for Flex Builder feature. To do so, stop Flex Builder, delete all files that begin with "com.adobe.coldfusion." from the plugins folder that is under the Flex Builder folder, and then restart Flex Builder.

To install the ColdFusion Plugin for Flex Builder 2:

In Flex Builder, select Help > Software Updates > Find and Install.
Select the Search For New Features To Install option, and then click Next.
Click New Archived Site.
Select the ColdFusion_FlexBuilder_Feature.zip file, and then click Open.
When the Edit Local Site dialog box appears, click OK.
Ensure that the ColdFusion_FlexBuilder_feature.zip is selected, and then click Finish.
In the Search Results window, select the check box next to ColdFusion_FlexBuilder_Feature.zip, and then click Next.
Select the I Accept The Terms In This License Agreement option, and then click Next.
Click Finish.
Click Install All.
When the installation is complete, click Yes to restart Flex Builder.
To uninstall the ColdFusion Extensions for Flex Builder, you must first disable them, and then uninstall them.

To uninstall the ColdFusion Extensions for Flex Builder:

Select Help > Software Updates > Manage Configuration.
Select the ColdFusion Plugins feature.
Click Disable and then click OK.
Click Yes to restart Flex Builder.
When Flex Builder restarts, select Software Updates > Manage Configuration.
Click the Show Disabled Feature button, if you don't see the ColdFusion Flex Builder feature.
Select the ColdFusion Flex Builder feature and click Uninstall.
Click Yes to confirm that you want to uninstall.
Restart Flex Builder.