Windows Media Player 11 (WMP 11) is a free software as well as the most popular, during the installation WMP will go through a validation process, if you are from pakistan and intall windows from 30 rupees CD then it will not install. In order to install and use WMP 11 you need to download Registry File and know how to use it. i will tell you step by step.
1. download the registry file
Click Here2. intall the registry file click yes if it ask you for 'Are you sure you want to add the information from 'THE LOCATION OF THE FILE IS HERE'
(example: 'F:\WMP\Add Your license to windows')
3. Download and intall WMP 11
Click Here4. also it will ask you for validation just click Validate and your good.
5. There is not 5 Step you are done install use it to play audio and video files.