Windows 1.11

Windows 11 is the successor to Windows 10 and 10X. It would be released on May 24, 2021

The development of Windows 11 started around early 2019.

Sounds
Error :

Stop critical :

Battery low :

Notification :

Battery critical :

Battery empty :

Shutdown :

Alpha/Pre-milestone 1
A few screenshots of build 19788 has been leaked on March 8, 2020.

Milestone 1
Build 19795 has been leaked on April 7, 2020. This build has the following changes:
 * Small change on theme
 * Fluent Design is more transparent

Milestone 2
Build 19810 has been leaked on May 24, 2020 (pretty fast). This build has the following changes:
 * Weather widget in the action center
 * Windows 98 Phone Dialer (still present in Windows 10) was removed

Milestone 3

 * New Post-installation environment adapted to Fluent Design (Locked by default)
 * New UWP Phone App (Located on C:\Windows\System32\Packages\installappx.bat)

Pre-technical preview 1

 * New start menu taken from Windows 10X. You can access it by holding the Shift and Windows keys.
 * New OOBE
 * New wallpapers taken from 10X
 * Changed some sounds
 * All new redesigned Action Center
 * Notifications Visualizer
 * Rounded look

Pre-technical preview 2

 * 25% faster than versions 2004 and 1909
 * New notification sound
 * Notepad is removed
 * New Windows Settings header like 10X

Technical preview escrow

 * Get Help button is on bottom left (in Settings)
 * New UWP explorer (access by clicking on the icon next to Search bar)

Technical preview 1

 * Bug fixes

Technical preview 1 update

 * UWP explorer icon moved to near left
 * 10% faster than TP1
 * Bug fixes

Editions

 * Home
 * Pro
 * ARM
 * Multiarc (For MultiArchitecture processors)
 * Power (For PowerPC Processors)
 * Mobile Pro (Windows 11 Pro for Phones)
 * Mobile Standard (Windows 11 Home for Phones)
 * Embedded

Trivia

 * Windows 8, 8.1, 10 and 10.1 users can upgrade to Windows 11. If Windows 7 users want to upgrade to 11, they will have to upgrade to a qualifying operating system then upgrade to Windows 11.
 * Windows 11 Pro and Windows 11 Pro for Workstations have updated default apps but you can still find their original Windows 10 Pro version of these applications in other versions of Windows 11:
 * Active Directory 2.0 (more options and better design)
 * Remote Desktop 2.0 (more options, better design and even faster user change)
 * BitLocker 2.0 (there are 8-bit, 16-bit, 32-bit, 64-bit, 128-bit or 256-bit options for encryption. Microsoft might be able to develop 512-bit encryption if the technology is enough at that time. Better design.)
 * Hyper-V 2.0 (virtual machine bugs fixed and better virtual environment)