Which do you think is better: WMP 11 or iTunes?

I heard that iTunes music are DRM-free now, but how about iTunes vidoes? Can I watch iTunes videos on other devices?

HOW DO I GET THE MOVIES THAT I WANT TO CONVERT UPLOADED INTO IMELFIN FROM ITUNES DO THEY HAVE TO BE DOWNLOADED ONTO MY COMPUTER FIRST OR CAN I JUST BRING THEM OVER FROM iTUNES SOMEHOW?

I just bought Taylor Swift's Platinum Edition of Fearless, and it imports the songs....not the videos. How do I have the videos? I don't want to purchase from iTunes.

just purchased a movie,  i can't play it on my iMovie.
iTunes said the media is protected by DRM.
How can i do?

Can I download and burn music from ituns on to a CDR?

I checked out a CD from the public library and listened to it on my computer. Then I dragged two songs into my iTunes library. Is this illegal, since that's loaned stuff?

My iTunes Library file becomes damaged very frequently, re-install can't solve the problem. Any suggestions?

Is iTunes compatible with Dell DJ?

I have been using iTunes TuneUp. It stopped working yesterday when I updated iTunes to 12.0.1.26, though I have faith they will fix this. However I have 95,000 songs after removing duplicates and am half way through cleaning them. I would like to continue as soon as possible. I have also upgraded to Yosemite. So, does this product work with all the latest software?