Download Installer
Before you can get started creating applications with Appcelerator, you must download an install Appcelerator.
To download Appcelerator, go to the Appcelerator Developer Network
Windows Users
For Windows users, there is a visual installer that needs to be run (if it doesn’t load automatically) after you you download it. Simply follow the steps in the installation wizard.

Mac OSX Users
For Mac OSX users, there is a visual installer that should automatically run after you download it.
Once you download the installer, finder should automatically mount the install DMG file and display the following window:

You can double-click icon labeled the Run Installer and simply follow the steps in the installation wizard.

Unix Users
For Unix users, there is a command-line installer. The downloaded file is a self-extracting archive file (commonly referred to as a “shar” file). Once you’ve downloaded the .run file, run it from a command prompt as root (replace the filename below with the name of the file you downloaded).
> sudo sh installer_unix_1.0.runVerify Installation
Once you have successfully completed the installation, a web browser should be launched with an Appcelerator Welcome page.
Now go to a command prompt and type
> appYou should see the following:
Appcelerator RIA Platform
This program comes with ABSOLUTELY NO WARRANTY; for details type
`app help:license`. This is free software, and you are welcome to
redistribute it under certain conditions of the GNU GPL version 3 license.
Usage:
app -h/--help
app command [arguments...] [options...]
Examples:
app create:project ~/myproject foobar java --verbose
app install:plugin foo:bar
For supported commands, use:
app help:commands
For command-specific help, use:
app help [command]
If you do, you’re ready to go! If not, please login to the Appcelerator Developer Network and post a message to the Developer Network group, and we’ll get back to you as soon as possible.