Windows 11

Windows 11 was the successor version to Windows 10, released on July, 29, 2020. It was supported by Microsoft until November 15, 2032.

Build 19852
First build of Windows 11. Not even leaked.

Build 19895
First Technical Preview build of Windows 11, released on August 20, 2020. Changes:
 * Changed kernel from 10.2 to 11.0
 * Added new themes

Build 19901
Released fast ring September 2020. New taskbar design, which match with title bar color (if title bar color enabled)

Build 19928
Released on December 7, 2020. New File Explorer design. Improved Notepad.

Build 19981
Released fast ring January 2021. Boot screen is changed. New themes and wallpapers.

Build 20001
Microsoft Edge design changed.

Build 20021
This build added full Microsoft Office support: Excel, PowerPoint, OneNote and Word.

Build 20028
Released fast ring February 2021, officially at /BUILD/ 2021 by Microsoft.

Technical Preview 2 build. Changed wallpapers. Microsoft Office 2021 included.

Build 20045

 * Added immersive mode of WordPad, but you can use desktop version of it.
 * Added new Snipping Tool and Windows Journal.
 * Added immersive Administrative Tools selection, but you can launch old one by using a specific command line.

Build 20081
This build was released in early April 2021.

This build has moved some Control Panel items to Settings app:
 * 1) Programs and Features (integrated to Apps and Features in Settings)
 * 2) Default Programs (integrated to Default Apps)
 * 3) Desktop Icon Settings (integrated to Personalization in Settings)
 * 4) AutoPlay

Build 20108
Released fast ring in April 28, 2021. This is first Insider Preview build. This build added link to change advanced system settings to Control Panel and Settings app.

Build 20135
Released in May 11, 2021. This is Insider Preview 2 build. Wallpapers changed.

Build 20162
Released on May 24, 2021. Pre-RTM. Nothing is changed.

Trivia

 * Windows 11 can be upgraded from Windows 10, Windows 10.5, Windows 116 and Windows 117.
 * System requirements is same with Windows 8/8.1 and Windows 10. But not designed for old computers. Some old computers can work good with Windows 11.