Definition - What does Windows 10 mean?
Windows 10 is a Microsoft operating system, a version which succeeded Windows 8 and Windows 8.1, which were unveiled in 2012 and 2013, respectively. Code-named “Threshold,” Windows 10 was released to the general public in July 2015.
Techopedia explains Windows 10
Microsoft is attempting to use Windows 10 to unify diverse operating systems for different devices including PCs, phones and video consoles. Users already running Windows 7 or Windows 8 may be eligible for a free download of Windows 10, while individual licenses run between $100 and $200.
Features of Windows 10 include the return of the Start menu, new icons and interface features and biometric security features. Windows 10 includes a new browser, Edge, which replaces the longtime standard Internet Explorer. Another new inclusion is Cortana, a virtual assistant analogous to Apple's Siri, as well as new notification systems.