cls

Function Select-FolderDialog
{
    param([string]$Description="Select Folder",[string]$RootFolder="Desktop")

 [System.Reflection.Assembly]::LoadWithPartialName("System.windows.forms") |
     Out-Null     

   $objForm = New-Object System.Windows.Forms.FolderBrowserDialog
   $objForm.WindowState = System.Windows.Forms.FormWindowState.Maximized
        $objForm.Rootfolder = $RootFolder
        $objForm.Description = $Description
        $objForm.ShowNewFolderButton = $true
        $Show = $objForm.ShowDialog()
		

        If ($Show -eq "OK")
        {
            Return $objForm.SelectedPath
        }
        Else
        {
            Write-Error "Operation cancelled by user."
        }
    }

$folder = Select-FolderDialog # the variable contains user folder selection