Windows 10

Windows 10 is a personal computer operating system developed and released by Microsoft as part of the Windows NT family of operating systems. It was released on July 29, 2015. It is the first version of Windows that receives ongoing feature updates. Wikipedia

License: Trialware, Microsoft Software Assurance, MSDN subscription, Microsoft Imagine

Platforms: IA-32, x86-64 and, as of version 1709, ARM64

Developer: Microsoft

Initial release date: 29 July 2015

Released to manufacturing: July 15, 2015; 2 years ago

Latest preview: RS5 (10.0.17618) (March 7, 2018; 5 days ago)