When you run the PowerShell Connect-MicrosoftTeams on the machine for the first time, you might get the following message
Connect-MicrosoftTeams : The term ‘Connect-MicrosoftTeams’ is not recognized as the name of a cmdlet, function, script
file, or operable program
To fixe this, do the following:
Start PowerShell as Administrator and run the following command
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned