Flash format (.flv) are getting popular day by day.
Windows Media Player (WMP) can not play flash (.flv) files by default. However, by using a plugin called Play FLV, we can play .flv files on WMP in Windows 7. In this tutorial, we will help you to configure your Windows 7 PC, so that you will be able to play Flash videos directly in Windows Media Player.
Download this little plugin. It is a small exe file of 330kb. After download is complete, double click to run. Follow the on screen instruction and you will be able to install the plugin for your Windows 7 PC.
This plugin may not work with 64 bit version of Windows 7 with Service Pack 1 installed.