Windows 8.1 is an operating system developed by Microsoft. The system is intended for computers, laptops and tablets. Windows 8.1 has a number of improvements compared to the previous version operating systems such as an enhanced start menu, start screen and interface. Windows 8.1 is available in two different editions: “Windows 8.1 Home” and “Windows 8.1 Pro“. Do you want to buy Windows 8? View all available versions at techubiz.com here.