Ubuntu (Xenial Xerus) 16.04
- Free (GPL) Download
The best free operating system out there ...Ubuntu is a free and open source operating system for your PC. It is powered by ... you can configure all aspects of the system, from user accounts to wallpapers. ...
- 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