diff --git a/Allfiles/Labs/11b/chrome_firefox_VSTSagent_IIS.ps1 b/Allfiles/Labs/11b/chrome_firefox_VSTSagent_IIS.ps1
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+###################################################################################################
+#
+# PowerShell configurations
+#
+
+# NOTE: Because the $ErrorActionPreference is "Stop", this script will stop on first failure.
+#       This is necessary to ensure we capture errors inside the try-catch-finally block.
+$ErrorActionPreference = "Stop"
+
+# Make download speed more faster
+$ProgressPreference = "SilentlyContinue"
+
+# Change to TLS1.2 https://somoit.net/powershell/could-not-create-ssltls-secure-channel
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+###################################################################################################
+
+#Set Execution Policy
+Set-ExecutionPolicy Unrestricted -Force
+
+#IIS installation
+Install-WindowsFeature -Name Web-Server -IncludeAllSubFeature 
+
+# chrome
+$Path = $env:TEMP; $Installer = "chrome_installer.exe"; Invoke-WebRequest "http://dl.google.com/chrome/install/375.126/chrome_installer.exe" -OutFile $Path\$Installer; Start-Process -FilePath $Path\$Installer -Args "/silent /install" -Verb RunAs -Wait; Remove-Item $Path\$Installer
+
+# firefox
+
+# Silent Install Firefox 
+# Download URL: https://www.mozilla.org/en-US/firefox/all/
+
+# Path for the workdir
+$workdir = "c:\installer\"
+
+# Check if work directory exists if not create it
+
+If (Test-Path -Path $workdir -PathType Container)
+{ Write-Host "$workdir already exists" -ForegroundColor Red}
+ELSE
+{ New-Item -Path $workdir  -ItemType directory }
+
+# Download the installer
+
+$source = "https://download.mozilla.org/?product=firefox-latest&os=win64&lang=en-US"
+$destination = "$workdir\firefox.exe"
+
+# Check if Invoke-Webrequest exists otherwise execute WebClient
+
+if (Get-Command 'Invoke-Webrequest')
+{
+     Invoke-WebRequest $source -OutFile $destination
+}
+else
+{
+    $WebClient = New-Object System.Net.WebClient
+    $webclient.DownloadFile($source, $destination)
+}
+
+# Start the installation
+
+Start-Process -FilePath "$workdir\firefox.exe" -ArgumentList "/S"
+
+# Wait XX Seconds for the installation to finish
+
+Start-Sleep -s 35
+
+# Remove the installer
+
+rm -Force $workdir\firefox*
+
+#copy geckodriver
+Invoke-WebRequest https://github.com/Microsoft/almvm/blob/master/labs/vstsextend/selenium/armtemplate/geckodriver.exe?raw=true -OutFile "C:\Program Files\Mozilla Firefox\geckodriver.exe"