Listed example cannot be executed in win7 professional edition

$0I cannot run the example $0 $0Invoke-Command -ComputerName Server01 `$0 $0                     {Set-PSSessionConfiguration Microsoft.PowerShell.Workflow `$0 $0                      -SessionTypeOption $Using:sto}$0 $0The error msg I got is:$0 $0$0 $0 $0Cannot bind parameter 'SessionTypeOption'. Cannot convert the "Microsoft.PowerShell.Commands.PSWorkflowExecutionOption" value of type $0 $0"Deserialized.Microsoft.PowerShell.Commands.PSWorkflowExecutionOption" to type "System.Management.A