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<#
    .Synopsis Downloads and installs the latest version of Microsoft Teams.
    .NOTES
      TODO: Prevent Teams Firewall Popup
      https://thoor.tech/2018/11/microsoft-teams-firewall-prompt/
#>

$LogPath = "$env:WINDIR\Temp\Install-Teams.ps1.log"
Start-Transcript -Path $LogPath
$ec = 1

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$LocalTempDir = $env:TEMP;
$EdgeInstaller = "MSEdgeInstaller.exe";
(new-object System.Net.WebClient).DownloadFile('https://c2rsetup.officeapps.live.com/c2r/downloadEdge.aspx?ProductreleaseID=Edge&platform=Default&version=Edge&source=EdgeStablePage&Channel=Stable&language=en', "$LocalTempDir\$EdgeInstaller");
& "$LocalTempDir\$EdgeInstaller" /silent /install;
$Process2Monitor =  "MSEdgeInstaller";
Do {
  $ProcessesFound = Get-Process | ?{$Process2Monitor -contains $_.Name} | Select-Object -ExpandProperty Name;
  If ($ProcessesFound) {
    "Still running: $($ProcessesFound -join ', ')" | Write-Host; Start-Sleep -Seconds 2
  } else {

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$Path = $env:TEMP; 
$Installer = "chrome_installer.exe"; 
Invoke-WebRequest "https://dl.google.com/chrome/install/latest/chrome_installer.exe" -OutFile "$Path$Installer"; 
Start-Process -FilePath "$Path$Installer" -Args "/silent /install" -Verb RunAs -Wait; 
Remove-Item "$Path$Installer"

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[CmdletBinding(SupportsShouldProcess=$True)]
param(

)

#The download URL for the Teams Machine-Wide Installer for x64 systems.
$teamsInstallDownloadUri = "https://teams.microsoft.com/downloads/desktopurl?env=production&plat=windows&arch=x64&managedInstaller=true&download=true"

# -- Begin searching for a current install of Teams --
Write-Verbose "Looking for a current installation of Teams Machine-Wide Installer."