If you already own an Alexa enabled device, you can find the Imp Director, Alexa skill here. Simply enable it and request your Alexa enabled device to start the skill by saying "Alexa, open Imp Director."
If you don't have an Alexa enabled device you can install the Alexa App on your cell phone or tablet. Android users can get it directly from the Google Play Store or for IPhone users check this guide on how to enable it on your device.
If you are in the market for an Alexa enabled device, help support the site and order it by visiting this link.