Add check-powershell.ps1

Scripts/check-os.ps1

@@ -0,0 +1,34 @@
+<#
+.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) {
+		"✅ $(uname -sr)."
+	} else {
+		$OS = Get-WmiObject -class Win32_OperatingSystem
+		$Name = $OS.Caption
+		$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
+		"✅ $($Name) ($Arch, v$Version, S/N $Serial, installed $($InstallDate.ToShortDateString()))"
+	} 
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}