Windows 10 is a personal computer operating system developed and released by Microsoft, as part of the Windows NT family of operating systems. Windows 10 introduces what Microsoft described as "universal apps"; expanding on Metro-style apps, these apps can be designed to run across multiple Microsoft product families with nearly identical code‍—‌including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and Mixed Reality.

LTSB is a licensing option for Windows 10 Enterprise and is available only for enterprise customers with a Volume License agreement. Each LTSB release receives standard monthly security and reliability updates for an extended 10-year support period. No new features are added over its servicing lifetime.