Ubuntu (Xenial Xerus) 16.04
- Free (GPL)
The best free operating system out there ...stable, and rich work environment But while Windows will cost you money, Ubuntu is free Not only that, but its code is available to any and everyone ...
- 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