How to: Add Explain Everything Whiteboard to the Promethean AP10 with Chromebox
Once logged into your Promethean AP10 chromebox.
Navigate to Explain Everything on the Web via the Chrome Browser: https://whiteboard.explaineverything.com/?chrome=true
In Chrome. Select the three dots in the top right corner.

Navigate down to Save and Share and then navigate the sub menu to Install Page as App…

Verify the pop-up is for Explain Everything and then Install

Once the install runs, you will see the Explain Everything app open as an independent app.
To pin this to your chromebox toolbar, select the Google Shelf (menu button with a G on it in the left corner) then find the Explain everything icon in your list of apps, then press and hold on the icon until a menu appears. Finally select the pin option.