Install Microsoft Teams

Open a browser and go to: https://login.microsoftonline.com

Input your email address as the username <username>@netsurion.com

The home page will be displayed.

Click on Teams

Teams will open in a new tab.

On the bottom left side, you will an option to get the app.

Click on it and the download will start.

Additionally you can go to https://teams.microsoft.com/downloads and download Teams for all supported operating systems.