The Big Question: Is the beta released?
My friend found this and installed it and says it works ok. I'm not sure if it is the real beta. Well, please do try it out, all you Windows fans

and please tell if it works in the first place!
Windows Media Player 12 Beta 1 Description:
Windows Media Player 12 Beta 1 for Windows XP offers great new ways to store and enjoy all your music, video, pictures, and recorded TV. Play it, view it, and sync it to a portable device for enjoying on the go or even share with devices around your homeall from one place. Simplicity In Design-Bring a whole new look to your digital entertainment.More of the Music You Love-Breathe new life into your digital music experience.All Your Entertainment in One Place-Store and enjoy all of your music, video, pictures, and recorded TV.Enjoy Everywhere-Stay connected with your music, video, and pictures no matter where you are. Check out the new Media Sharing feature.
Supported File Formats:
asf,wma,wmv,wm,asx, wax,wvx,wmx,wpl,dvr-ms, wmd, avi,mpeg,mpg, m1v,mp3,mp2,mpa,m3u, mid,midi, rmi, aif,
aifc,aiff, au,snd,wav,cda,ivf,mov,qt.
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INSTALL NOTES:
1) Copy : -> PASS_WGA <- , and paste to C

Program Files Windows Media Player
2) Open : -> PASS_WGA <- , pres yes , ok
3) Now Open : -> Windows Media Player 12 Beta 1 Setup <- and setup