Open a command prompt, and change to the Sidewinder directory. If you have installed Sidewinder in the default locations, then you can type this:
cd "\program files\sidewinder\viewer 2.0"
Now execute the following command:
swviewer2 http://examples.adobe.com/flex2/inproduct/sdk/flexstore/flexstore.html#meta(width=1010,height=610)
Sidewinder will open as a basic Windows application with the Adobe Flash Flexstore demonstration running inside:
The Flexstore application functions as normal, but it can be treated as a desktop application in its own right, distinct from the browser: