Ubuntu (Xenial Xerus) 16.04
- Free (GPL)
The best free operating system out there ... operating system for your PC It is powered by Linux, whose robust technology operates millions of servers worldwide But, of all of the versions ...
- PROS: Completely free operating system, Very quick and easy to use, Easy Windows installer, Ubuntu One syncs with mobile devices
- CONS: Can be difficult to install external components, Tricky to get used to after using Windows