You may be asking yourself, why should I change my current IDE? Every developer has his or her preference, and Eclipse may not be for you; however, it provides a long list of features:
In addition, you can change the perspective view (explained later) to switch from one coding environment to another. For example, you could be coding in ColdFusion, switch to a Flex Builder perspective, and then switch to a Java perspective, all within the same IDE with a click of a button.
Download and install the Eclipse Classic version linked to in the Requirements section on page one. Unzip the download and place the output folder wherever you'd like. There is no install wizard, so it will be up to you where you'd like to put these files. Once you have this unzipped, open the Eclipse folder and run the Eclipse executable, eclipse.exe. You will be prompted to choose a workspace location. Again, it is up to you. In this tutorial, I chose to install it at the root of my C:/ drive, and that's how I will refer to the path throughout this tutorial.
The next step will be to add the CFEclipse plug-in to Eclipse. The easiest way to install CFEclipse is to use the built-in installation and update management tools that come with Eclipse. Unlike downloading an installer file and running it on your computer, using this updater tool will enable you to install and remove different plug-ins without leaving the Eclipse application.
To install CFEclipse, use the following steps:
Click the perspective button (see Figure 1) and select Other from the dialog box. An Open Perspective window will open. Select CFEclipse from the list and click OK.

Figure 1. Changing the perspective to CFEclipse.