Your platform is:

Windows, Linux, MacOSX

Download and install the Arduino Create Agent for codebender

Windows Linux MacOSX

* You must download install and run the Arduino Create Agent for your platform
   in order for your browser to be able to communicate with your device
* The installer makes Arduino Create Agent to work with codebender,
    which stops it from working with Arduino Create.

    The original configuration file of Arduino Create Agent (file: config.ini.original)
    is located for each platform at:
    Windows: C:\Users\{UserName}\AppData\Roaming\ArduinoCreateAgent-1.1
    Linux:       ~/ArduinoCreateAgent-1.1
    MacOSX:  ~/Applications/ArduinoCreateAgent-1.1/

    If you wish to restore the Arduino Create Agent original functionality,
    you can rename config.ini.original into config.ini and restart the Arduino Create Agent

    Do not forget to backup the existing config.ini for codebender,
    if you wish to use codebender in the future or download it from here

Google Chrome OS

Install the Chrome app for codebender

Add the codebender app

* You may be asked to allow access to the codebender app once it is installed. Just press Allow