How to convert Windows evaluation to a licensed version

DISM /online /Get-CurrentEdition

DISM /online /Get-TargetEditions

$key = "XXXXX-XXXXX-XXXXX-XXXXX-XXXXX"
$licensingService = get-wmiObject -query "select * from SoftwareLicensingService" -computername $env:computername
$licensingService.InstallProductKey($key)
$licensingService.RefreshLicenseStatus()

$remoteWindows="SHERVER01","SHERVER02"
$licenseKey="H3RNG-8C32Q-Q8FRX-6TDXV-WMBMW" #AVMA default DataCenter serial

function activateWindows{
    param(
    [string]$key = "H3RNG-8C32Q-Q8FRX-6TDXV-WMBMW"
        )
    $licensingService = get-wmiObject -query "select * from SoftwareLicensingService" -computername $env:computername;
    $licensingService.InstallProductKey($key);
    sleep 20;
    $licensingService.RefreshLicenseStatus();
}

Invoke-Command -computer $remoteWindows -ScriptBlock{
                            param($importedFunc,$importedKey)
                            [ScriptBlock]::Create($importedFunc).Invoke($importedKey);                                
                        } -Args ${function:activateWindows},$licenseKey

#Validate licensing status
Get-CimInstance -computername $remoteWindows -ClassName SoftwareLicensingProduct|where {$_.PartialProductKey}|select Description, LicenseStatus

<# Sample Output
Description                                     LicenseStatus
-----------                                     -------------
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
Windows(R) Operating System, VOLUME_MAK channel             1
#>

$licenseKey="XXXXX-XXXXX-XXXXX-XXXXX-XXXXX"
DISM /online /Set-Edition:ServerDatacenter /ProductKey:$licenseKey /AcceptEula

DISM /online /Set-Edition:ServerDatacenter /ProductKey:$licenseKey /AcceptEula

DISM /online /Set-Edition:ServerStandard /ProductKey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /AcceptEula

$avmaKey="H3RNG-8C32Q-Q8FRX-6TDXV-WMBMW"
slmgr /ipk $avmaKey