Enabling IE mode Edge Chromium

gistfile1.txt

#Requires -RunAsAdministrator

$source = "https://msedge.sf.dl.delivery.mp.microsoft.com/filestreamingservice/files/814d7696-a129-49c5-9060-1345a83c4a66/MicrosoftEdgePolicyTemplates.zip"

$zipFile = "C:\Users\$env:USERNAME\edgeadmx.zip"
$unzipFile = "C:\Users\$env:USERNAME\edgeadmx"

Write-host "Downloading Microsoft Edge Policy Templates" -ForegroundColor Black -BackgroundColor Magenta
Invoke-WebRequest -Uri $source -OutFile $zipFile

Write-Host "Expanding Zip file" -ForegroundColor Black -BackgroundColor Magenta
Expand-Archive -Path $zipfile -DestinationPath $unzipFile -Force

Write-Host "Copying ADMX file to C:\Windows\PolicyDefinitions" -ForegroundColor Black -BackgroundColor Magenta
Copy-Item -Path $unzipFile\windows\admx\msedge.admx -Destination "C:\Windows\PolicyDefinitions"

Write-Host "Copying ADML file to C:\Windows\PolicyDefinitions\en-US" -ForegroundColor Black -BackgroundColor Magenta
Copy-Item -Path $unzipFile\windows\admx\en-US\msedge.adml -Destination "C:\Windows\PolicyDefinitions\en-US"

Write-Host "Creating new registry key - Edge" -ForegroundColor Black -BackgroundColor Magenta
New-Item -Path HKLM:\SOFTWARE\Policies\Microsoft\ -Name Edge

Write-Host "Creating new DWORD value - InternetExplorerIntegrationLevel" -ForegroundColor Black -BackgroundColor Magenta
New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Microsoft\Edge -Name "InternetExplorerIntegrationLevel" -Value "1" -PropertyType DWord

Write-Host "Creating new STRING value - InternetExplorerIntegrationSiteList" -ForegroundColor Black -BackgroundColor Magenta
New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Microsoft\Edge -Name "InternetExplorerIntegrationSiteList" -Value "file:///C:\Users\$env:USERNAME\edgeIE11SiteList.xml" -PropertyType String

Write-host "Checking that Internet Explorer is enabled" -ForegroundColor Black -BackgroundColor Magenta
$IE = Get-WindowsOptionalFeature -Online | Where-Object { $_.FeatureName -eq "Internet-Explorer-Optional-amd64" }

If ($IE.state -Match "Enabled") {
    Write-Host "Internet Explorer already enabled" -ForegroundColor Black -BackgroundColor Magenta
} else {
    Write-Host "Enabling Internet Explorer" -ForegroundColor Black -BackgroundColor Magenta
    Enable-WindowsOptionalFeature -FeatureName Internet-Explorer-Optional-amd64 -All -Online
    Write-Host "If this errors in anyway, please install via Settings and install from the optional features menu. Powershell and Settings dont seem to play well" -ForegroundColor Black -BackgroundColor Red
}