If you want to view a flash file (extension .swf), either drag the file into the Browser or use a flash viewer.

View file within Browser

To drag the flash file into the Browser, open your Browser like Internet Explorer, minimize it, select the flash file with the left mouse button and drag it into the Browser.

 

View file with Flash Viewer

Download free flash viewer SWF Opener: http://www.browsertools.net/downloads1.html