Can I use new versions of VLC media player on my Windows XP PC?
yes, you can use. there is no problem. :)
Why do you hesitate you can use... All new versions are made such that they are capable to support all the OS...
Yes, you can use any new version of VLC media player on your Windows XP PC. The latest version of VLC media player is VLC 2.1.1 and it's designed for Windows XP SP2, Windows 2003 SP2, Windows Vista SP1, Windows 2008 SP1, Windows 7 and Windows 8.