<# .SYNOPSIS Query OS details .DESCRIPTION This PowerShell script queries and lists operating system details. .EXAMPLE PS> ./check-os .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> try { if ($IsLinux) { $Name = $PSVersionTable.OS if ([System.Environment]::Is64BitOperatingSystem) { $Bits = "64-bit" } else { $Bits = "32-bit" } Write-Host "✅ $Name ($Bits)" } else { $OS = Get-WmiObject -class Win32_OperatingSystem $Name = $OS.Caption -Replace "Microsoft Windows","Windows" $Arch = $OS.OSArchitecture $Version = $OS.Version [system.threading.thread]::currentthread.currentculture = [system.globalization.cultureinfo]"en-US" $OSDetails = Get-CimInstance Win32_OperatingSystem $BuildNo = $OSDetails.BuildNumber $Serial = $OSDetails.SerialNumber $InstallDate = $OSDetails.InstallDate $ProductKey = (Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" -Name BackupProductKeyDefault).BackupProductKeyDefault Write-Host "✅ $Name ($Arch, v$Version, S/N $Serial, P/K $ProductKey) since $($InstallDate.ToShortDateString())" } exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }