If you are using Windows, and want to try Linux, but does not want to install it, what can you do?
You may try using Virtual Box, download it from:
and it's free.
When you have finished downloading it, you can install then follow the on-screen instructions.
Virtual Box can create a new PC in your current operating system virtually. So that you can freely install any operating system in it.
You can also use CD ROM drive and USB port just like a real PC. When you don't want this operating system on this virtual PC, you can just delete it from your harddrive, because a virtual PC is created using your harddisk space.
Try it and experience it now.