How to set up a unified Win7 computer to open video and audio

In many users win7 mirror computer has a lot of players, sometimes downloaded by themselves, sometimes inadvertently may be bundled to install, usually the opportunity to use is very Less, that is, using the player that you like to use, but many players will take up the memory of our computer, so if we usually open the Internet when the player is connected to the Internet, it will affect the Internet. The operation of our computer, if we say that the player who plays the video is set up uniformly, we will not have such a problem when we go online. How to set it up, we will take the playback of the win7 computer as an example to set it.
1, we open the start menu, then see the default program in the column, select the default program to open.

2, opened it, it will pop open a new dialog, which you can see inside a control panel to set the default program options, we select the Open a new window to find inside Windows Media Player The options for this icon are then checked with the option "Select defaults for this program".

3, and then continue to pop up a new window system, there are options you can change the settings of audio and video file formats, we need to set the extension you want to change become their favorite, as shown, finally Click to confirm this operation, the window is closed and the setting is successful.