Windows Media Player only can support the MPEG-2. m2ts format, if your M2TS is H.264 decoding, you can't play it. This video shows a easy way to convert the M2TS video for watching on Windows Media Player.
Official Guide(More details here): http://www.multipelife.com/m2ts-to-windows-media-player.html
Pavtube Video Converter: http://www.pavtube.com/video_converter/
Pavtube Video Converter for Mac: http://www.pavtube.com/video-converter-mac/
Still wanna to know more tips about video/audio playback or editing? Please feel free to Email Us: support@pavtube.com