Advanced Run is a tool that allows you to run any program, run any command line command, open, edit and print documents with any user account without switching between users. There are a lot of ways to do this:

You can press standart key combination <Win>+<R> or pick Run start menu item
You can call task manager and click File -> New Task menu item
Click right mouse key over any file and pick Run As menu item

Whatever you want to run you can pick the user account you need, type its password and click OK!

Why should you log off and log on every time you need? Use Advanced Run because it is simple, it is flexible and it is free! Enjoy!