# Query the registry for necessary build information
$winver = Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\'
$versiontag = "$($winver.CurrentMajorVersionNumber).$($winver.CurrentMinorVersionNumber).$($winver.CurrentBuildNumber).$($winver.UBR)"

# Run the actual docker pull command to download the insider image matching the host OS
docker pull mcr.microsoft.com/windows-insider:$versiontag