# Detect if you computer is on domain or workgroup via cim or wmi
Try
{
    # Get information via Cim
    # PartOfDomain (boolean Property)
    $PartOfDomain = Get-CimInstance -Namespace ROOT/cimv2 -ClassName Win32_ComputerSystem | Select-Object PartOfDomain | ft -AutoSize -HideTableHeaders
    # WorkGroup (String Property)
    $WorkGroup = Get-CimInstance -Namespace ROOT/cimv2 -ClassName Win32_ComputerSystem | select Workgroup | ft -AutoSize -HideTableHeaders
}
Catch
{
    # if Get-CimInstance not work, get information via Wmi
    # PartOfDomain (boolean Property)
    $PartOfDomain = (Get-WmiObject -Class Win32_ComputerSystem -Namespace ROOT/cimv2) | select PartOfDomain | ft -AutoSize -HideTableHeaders
    # WorkGroup (String Property)
    $WorkGroup = (Get-WmiObject -Class Win32_ComputerSystem -Namespace ROOT/cimv2) | select Workgroup | ft -AutoSize -HideTableHeaders
}

if (!$PartOfDomain)
{
    Write-Output "Domain"
}
Else
{
if (!$WorkGroup)
    {
        Write-Output "Error Wmi\Cim filter"
        break
    }
    Else
    {
    Write-Output "Workgroup"
    }
}