Quote from SK Dutta on September 30, 2020, 9:10 am

• Login as Site administrator
• Click on Settings button at the toolbar. Then click on Manage License (last link on the right box)
• Click on Request New License
• Fill-in the number of users and click on Request License
• Click on Pay button or Send Request via Email
  

If you already received the license file via email do the following:

• Login as Site administrator
• Click on Settings button at the toolbar. Then click on Manage License
• Click on Apply License Information
• Now upload the license file and login again.

• Login as Site administrator
• Click on Settings button at the toolbar. Then click on Manage License
• Click on Apply License Information
• Now upload the license file and login again.