If you're operating a paid network and have taken payment in a different way than the usual PayPal/Stripe or wish to allow a user access free of charge follow this guide.
1. Click on "Customers".
2. Click the 'Add Payment' button in the top right.
3. Input the user's email, choose the location they need access to and select their plan. If you wish to edit the plan defaults check that tick-box and edit them.
4. Once the payment has been added the user will have access for the allotted time and amount of devices using the email that you set.