Environment class (OS, ).ps1

<#
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System.Environment Class

    [Environment]::<OSVersion, MachineName, HasShutdownStarted, NewLine, ...
                 ::<SystemDirectory,
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#>

#OS Version + Build + Revision <- https://imgur.com/oG4A5Zu
[Environment]::OSVersion.Version

#System Directory (default C:\Windows\System32)
[Environment]::SystemDirectory

#Major + Minor + Build + Revision <- https://imgur.com/Qt0WkdJ
$OSVersion = [Version](Get-ItemProperty -Path "$($Env:Windir)\System32\hal.dll" -ErrorAction SilentlyContinue).VersionInfo.FileVersion.Split()[0]