schtasks /create /xml "MyTask.xml" /tn "My Task FolderMy New Task"

schtasks /create /xml "MyTask.xml" /tn "Existing Task FolderMy New Task"

Get-ScheduledTask | ? {$_.Taskpath -ieq "FROM"} | % {
    $oTask = $_
    [XML]$TaskXML = Export-ScheduledTask -TaskName $oTask.TaskName

    #$TaskXML.GetElementsByTagName("UserId")[0].InnerText="SYSTEM"

    Register-ScheduledTask -TaskName $oTask.TaskName -TaskPath "TO" -Xml $TaskXML.InnerXML
}