Windows 11 Fun Quiz: How Many People Use Windows?

Windows 11 is available as a free upgrade starting Oct. 5, 2021, for current Windows 10 users if their computer is compatible - that is, bought after 2016.

There are 1.3 billion active Windows OS users in 2021, out of approximately 7.9 billion people globally, and 2 billion computers.

With the release of Windows 10 back in 2015, Microsoft was clear that this would be "the last version of Windows." Microsoft announced Windows 11 on Thursday, June 24, 2021. The new operating system started rolling out on Oct. 5, 2021. 

On Sunday, June 20, 2021, Microsoft announced that it would end support for Windows 10 on October 14, 2025.

Microsoft introduced the Start menu, the taskbar, and even the clock in the bottom-right corner in Windows 95. The primary visual structure of Windows hasn’t changed since.

The visible changes to Windows 11 include a centering of the Start Button and pinned apps on the taskbar (though you can relocate everything to the bar's left-hand side if you prefer that classic Windows look).

Windows 11 includes a new start-up sound, a new logo, and a new "Widgets" feature that appears to be a revised version of the Widgets first introduced by Microsoft with Windows Vista.

Android apps will be installable from within the new Microsoft Store via the Amazon Appstore in Windows 11, but not immediately at launch.