Ok For the software for LHC@home 2.0 The first project to run on the LHC@home 2.0 platform - currently in test phase - is called Test4Theory.
In order to run the collision simulations you will need to install two key applications in your computer:
VirtualBox and BOINC client from here http://lhcathome.web.cern.ch/LHCathome/
Enjoy OldWolf