Windows 7

This tells some of the Win 7 goodies not on Win 10 (I already use the suggested free VLS instead of Windows Media Player, usually; much more reliable) At the very end there's a hands-on Windows 10 video:
http://www.theverge.com/2015/6/1/8696949/windows-10-feature-loss

Yeah I've used VLC for around 10 years now, never going back to WMP.