From the Motivity Office website:
1) Click on Personnel
2) Check you have a spare licence to use (this is shown at the top. If you don't you'll need to contact customerservice@motivitymobile.com to add a new one)
3) Press the +Add New Personnel button at the top section of the screen
4) Fill in their name, an e-mail address and PIN as a minimum. You can add other info too if required.
5) Press Save
It is this PIN number together with their e-mail address that they will use to log into the app.
The final stage is to download the Motivity Workforce app from the Google Play Store or Apple App Store.
Then use the details entered above to log in.