Hello,

We previously installed Microsoft Online and SharePoint online PowerShell module.Today, we’ll install Lync Online PowerShell module :

$LyncOnlineUrl = "http://download.microsoft.com/download/2/0/5/2050B39B-4DA5-48E0-B768-583533B42C3B/LyncOnlinePowerShell.exe" #Lync Online Module
Start-BitsTransfer -Source $LyncOnlineUrl -Description "Lync Online PowerShell Module" -Destination $env:temp -DisplayName "Lync Online PowerShell Module"
Start-Process -FilePath $env:temp$(Split-Path $LyncOnlineUrl -Leaf) -ArgumentList "/quiet /NoRestart"
Start-Sleep -Seconds 5
Remove-Item -Path $env:temp$(Split-Path $LyncOnlineUrl -Leaf)

Note : Signin assistant is a prerequisite.