I hope you are referring to Flash Player and you have installed it successfully. Ideally, you should be able to view Flash videos available in Internet.
Do you have any issues in viewing videos?
If so, please let us know your operating system (Windows XP, 7 or Mac) and the browser you use (Internet Explorer, Firefox, Safari).
Also, let us know what you see in the following link: http://helpx.adobe.com/flash-player/kb/find-version-flash-player.html
The following doc has useful information: http://helpx.adobe.com/flash-player/kb/flash-player-faq.html
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