Reactivation can be done from the website or the App.
From the Website:
The website works best in Google Chrome
Go to www.moultriemobile.com
Log into your account using your email address and password.
Hover over My Account
Select Activate Modem
You will need your modem ID and Serial number located on the back of the modem
From the App
Click on My Account
Click Activate Device
You can either enter the Modem ID and Serial Number manually or Scan the back of the modem