How to test my application on older version of IE?
you can use
http://www.my-debugbar.com/wiki/IETester/HomePage
and here can you see all browser versions as picture
http://browsershots.org/
I got the solution. :)
In IE8, click on Tools > Developer Tools | or press F12
Then in developer Tools > select the browser mode [ available: IE7, IE8, IE8 with compatibility view ]
This is what i was expecting. :)