Winver replacement

function get-WindowsVersion {

#  get details of windows versions for printing (may need to know version on particular day)

   $key = "HKLM:\software\microsoft\windows nt\CurrentVersion"
   $pname=(Get-ItemProperty "$key" ProductName).ProductName
   $dis = (Get-ItemProperty "$key" DisplayVersion).DisplayVersion
   $v1 = (Get-ItemProperty "$key" CurrentMajorVersionNumber).CurrentMajorVersionNumber
   $v2 = (Get-ItemProperty "$key" CurrentMinorVersionNumber).CurrentMinorVersionNumber
   $v3 = (Get-ItemProperty "$key" CurrentBuild).CurrentBuild
   $v4 = (Get-ItemProperty "$key" UBR).UBR
   $ed = (Get-ItemProperty "$key" EditionID).EditionID
   $key = "HKLM:\software\microsoft\WindowsSelfHost\Applicability"
   $en = Get-ItemProperty "$key" EnablePreviewBuilds -ErrorAction SilentlyContinue
   if ( $en ) {
      $epb = $en.EnablePreviewBuilds  
      if ( $epb -ne 0 )
        {
        $bn = (Get-ItemProperty "$key" BranchName).Branchname
        $Ins = "$bn channel"
        }
      }
   return "$pname $dis $v1.$v2.$v3.$v4 $Ins"

   }

$key = "HKLM:\software\microsoft\windows nt\CurrentVersion"
$cv = Get-ItemProperty $key
  
$pname= $cv.ProductName
$dis = $cv.DisplayVersion
$v1 = $cv.CurrentMajorVersionNumber
$v2 = $cv.CurrentMinorVersionNumber
$v3 = $cv.CurrentBuild
$v4 = $cv.UBR
$ed = $cv.EditionID