When you want to play video clip on a website such as youtube.com, dailymotion.com your web browser you need to install Adobe Flash Player before you can play it. As I know now we have many web browsers Internet Explorer, Firefox, Chorme, Safari, Opera and etc so all of these must install Adobe Flash Player too. I think maybe it’s look like a plugin not really software. In this tutorial I will guide you how to install it to your web browser.
Installing is:
- Open your web browser that you would like to use. If you have 3 web browser you have to do it three times.
- Go to this link to download Adobe Flash Player http://get.adobe.com/flashplayer/
- Click on download button you will get the latest version, that’s cool!!!. 
- Run it and follow step.
- Finish.
I think this can help you. Have a nice day.