If you mean...Can you put files onto your Creative Zen that you have downloaded from Limewire then the answer is yes....
Just make sure that you download compatible files...
Limewire is an app that connects you to other users computers (p2p)
Be careful where you download it from, make sure you don't get it from a scam site...Basic is free and Pro costs $18.88 US...
http://www.limewire.com