Use Windows Media Player (WMP) to remove or disable Digital Rights Management (DRM) in existing files, but you can keep WMP from including DRM in music files that you rip from CDs. The process is different depending on which version of WMP you are using. DRM licenses can be backed up on WMP versions before 11. Also, you can remove DRM from an audio or a video file using another program, but the process may not be legal. Tips Warnings Writer Bio

How Do I Disable DRM in Windows Media Player   5 Steps  - 38