In order to remove share iTunes songs to others, you need to get rid of the DRM protection and convert iTunes songs to a compatible format MP3.
Just follow this tips remove DRM from iTunes songs.
Then you can get the DRM free versions songs and share them freely.
This iTunes DRM music converter works great, I use it for convert apple music m4p file snd transform the format from m4p to mp3, now I can play the music from so many devices without any problems.
As a Mac user, I don't use Windows pc, but I do want to remove DRM from all my iTunes movies. Currently I am using the itunes video converter for mac, everything works as expected. Thanks anyway. I may try Windows in future.