Worried about licence OS?
Feel free of licence Microsoft OS and use this Linux based operating systems.
I have some free os name and their sites where you can download it.
No 5 PC-BSD9 : HTTP://www.pcbsd.org/
No 4 ArchBang Linux : HTTP://archbang.org/
No 3 Zorin OS 5 : HTTP://zorin-os.com/index.html
No 2 CrunchBang : HTTP://crunchbanglinux.org/
No 1 Puppy Linux : HTTP://puppylinux.org
No 0 startos: HTTP://www.startos.org/
Enjoy.
