param([switch]$Elevated)
function Check-Admin {
$currentUser = New-Object Security.Principal.WindowsPrincipal $([Security.Principal.WindowsIdentity]::GetCurrent())
$currentUser.IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
}
if ((Check-Admin) -eq $false)  {
if ($elevated)
{
# could not elevate, quit
}
 
else {
 
Start-Process powershell.exe -Verb RunAs -ArgumentList ('-noprofile -noexit -file "{0}" -elevated' -f ($myinvocation.MyCommand.Definition))
}
exit
}
$TempInstallDir = "c:\teamviewer_install\"
if (Test-Path $TempInstallDir) {
Remove-Item $TempInstallDir -Recurse -Force
}
else
{
Write-Host "Install Start"
}
$TeamViewerFileName = "C:\Program Files (x86)\TeamViewer\TeamViewer.exe"
$TeamViewer64FileName = "C:\Program Files\TeamViewer\TeamViewer.exe"


function not-exist { -not (Test-Path -Path $TeamViewer64FileName) }
function not-exist { -not (Test-Path -Path $TeamViewerFileName) }
if (-not (Test-Path -Path $TeamViewerFileName)) {}
if (-not (Test-Path -Path $TeamViewer64FileName)) {
mkdir c:\teamviewer_install
$url = "https://download.teamviewer.com/download/version_15x/TeamViewer_MSI32.zip"
$output = "c:\teamviewer_install\TeamviewerHost.zip"
$tvdir = "c:\teamviewer_install"
$start_time = Get-Date

$wc = New-Object System.Net.WebClient
$wc.DownloadFile($url, $output)
Write-Host "Teamviewer Downloaded"
sleep 3
Expand-Archive -LiteralPath $output -DestinationPath $tvdir -Force
msiexec.exe /i "c:\teamviewer_install\Host\Teamviewer_Host.msi" /qn CUSTOMCONFIGID=6988pev APITOKEN=6581446-B1aEz7nIk9k92p4G7C1R ASSIGNMENTOPTIONS="--grant-easy-access"
Write-Host "Teamviewer Installed"
}
Else
{
Write-Host "TeamViewer Already Installed"
}