Step 1: Get an account on Ayrmesh.com

Using a computer attached to the same router you're going to put the AyrMesh hub on, use a browser to go to http://www.ayrmesh.com
Click on the “No username? Sign up now – it's free!” link
Fill in the form as indicated – make sure you provide a working email address (don't worry – we are not going to “spam” you)

Using a computer attached to the same router you're going to put the AyrMesh hub on, use a browser to go to http://www.ayrmesh.com