Linux by Libranet.
Software changes all the time.
I have heard that you need to be a computer expert to install and run Linux. I have heard that Linux is short on drivers and applications. It is the most comprehensive Linux desktop available. If you are new to Linux or want a quick way to achieve a first class system, this is it. You can share your hard drive between Windows and Linux and then boot your system from either the Linux partition or the Windows partition at startup.