How to using different user run as dynamcis AX

While working with Workflow, many time there was situation where I would like to run AX as different user , But on Window 7 , "Run as" is not available ,when you right click.
There are two ways to overcome this :

1.Using command line :

When you want to open AX as a different user , go to Start -> Run
and type cmd, Command prompt will open enter the below command :
runas /user:yourusername "C:\Program Files (x86)\Microsoft Dynamics AX\50\Client\Bin\Ax32.exe"

press enter , system will ask about the credentials , pass these values ,and you can open AX with different user

2.Using Runas property :

Select the shortcut menu for AX , and while clicking right click , hold Shift key ,you will see , the Run As different user as well, as below