To add a new Lock to a domain, you have to options:
1. As domain admin of a company with many users, you'd login to our portal my.kleverkey.com and press + button in tab Locks (bottom right corner). Enter ID, pin (you'll find this info on the sticker you received together with the product) and a meaningful name. Optionally, you can grant yourself a permission onto your app (if required)
2. As a normal user, you can also use the app to add a new lock to your account. Please follow the steps in the tutorial: Link.