Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 receives new releases on an ongoing basis, which are available at no additional cost to users. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.

Windows Server 2008 R2 is the fifth version of the Windows Server operating system produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. It is the successor to Windows Server 2008, which is derived from the Windows Vista codebase, released the previous year.

Windows Server 2019 was announced on March 20, 2018, and the first Windows Insider preview version was released on the same day. It was released for general availability on October 2 of the same year.

Windows Server 2012 R2, codenamed "Windows Server 8.1", is the seventh version of the Windows Server operating system by Microsoft, as part of the Windows NT family of operating systems. It was unveiled on June 3, 2013 at TechEd North America,[5] and released on October 18 of the same year.[2] It is the successor to the original Windows Server 2012, and is the Windows 8.1 derived server operating system to receive official support from Microsoft.

Windows Server 2016 is the eighth release of the Windows Server server operating system developed by Microsoft as part of the Windows NT family of operating systems. It was developed concurrently with Windows 10 and is the successor to Windows Server 2012 R2. The first early preview version (Technical Preview) became available on October 1, 2014 together with the first technical preview of System Center.[5] Windows Server 2016 was released on September 26, 2016 at Microsoft's Ignite conference[1] and broadly released for retail sale on October 12, 2016.[2] It has three successors: Windows Server 2019, Windows Server 2022, and the Windows Server Semi-Annual Channel, which excludes the graphical user interface and many older components.

Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015.

Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 receives new releases on an ongoing basis, which are available at no additional cost to users. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.

Windows 7 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009.[9] It is the successor to Windows Vista, released nearly three years earlier. It remained an operating system for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs, and itself was replaced in November 2012 by Windows 8, the name spanning more than three years of the product.

Windows 7 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009.[9] It is the successor to Windows Vista, released nearly three years earlier. It remained an operating system for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs, and itself was replaced in November 2012 by Windows 8, the name spanning more than three years of the product.