CruX - Version 4.0.8 CruX is a peer-to-peer client for Windows that allows you to download any file-type found on several popular P2P networks. CruX is FREE. Simply download it and use it, no strings attached. CruX can connect to more Peer-to-Peer networks, providing access to hundreds of thousands of diverse users, all from one single program.This P2P client has a lot to offer and you reap all the benefits.