Step 1. Install Eclipse SDK/Classic
http://www.eclipse.org/downloads/
Step 2: Install Aptana as Eclipse plugin (instructions from Aptana Website)
http://www.aptana.com/products/studio3/download
Choose Eclipse Plug-in Version
http://download.aptana.com/studio3/plugin/install
From the Help menu, select Install New Software... to open the Install New Software dialog.
Paste the URL for the update site into the Work With text box, and hit the Enter (or Return) key.
In the populated table below, check the box next to the name of the plug-in, and then click the Next button.
