Sencha CMD is a cross-platform command line tool that provides many automated tasks around the full life-cycle of your applications from generating a new project to deploying an application to production.

In order to install and use the Sencha CMD follow the next steps:

1. Install Requirements: Sencha CMD needs additional software to work correctly. The software needed and their download links are described below:
1. Java Runtime Environment (JRE) version 1.7: 
   http://www.oracle.com/technetwork/java/javase/downloads/index.html
   
   
2. Ruby: Differs by OS
1. Windows: http://rubyinstaller.org/downloads/
2. Mac OS: Ruby is pre-installed.
3. Ubuntu: Use sudo apt-get install ruby2.0.0 to download Ruby
3. Packaging:
1. Android: http://developer.android.com/sdk/index.html
2. iOS: https://developer.apple.com/xcode/
4. Eclipse (Optional): http://www.eclipse.org/
2. Add the install paths from ruby and java to your PATH environment variable:
1. Go to ‘My Computer’ and left-click on the ‘Advance system settings’ button
   
   
2. Go to the Advanced Tab and click on the ‘Environment Variables’ button.
   
   
3. From the System Variables grid, select the Path variable and click on Edit button.
   
   
4. Add the install paths from Java and Ruby in the variable value field and click Ok button.
   
   
3. Download Sencha CMD: Use this link to download Sencha CMD. Chose between 64-bit or 32-bit according to your system.
   https://www.sencha.com/products/extjs/cmd-download/
4. Install Sencha CMD:
1. Extract and execute the Sencha CMD installer from the ZIP file you just downloaded.
   
   
2. Follow the instructions from the wizard to install Sencha CMD
   
   
   Use all default values:
   
   
5. Test Sencha CMD: To test that Sencha CMD was installed correctly follow these steps:
1. Open your Command Prompt console
2. Change directory to your application folder
   
   
3. Type the ‘Sencha’ command and hit Enter.
   
   
4. You should see output that starts something like this: