The Windows 11 upgrade will be delivered to qualifying devices late 2021 into 2022.
Timing will vary by device.
Certain features require additional hardware see Windows 11 Specifications.
From: https://www.microsoft.com/en-us/windows/windows-11
Notifications are not needed.
For computers that pass the requirements upgrades can be performed manually.
One or more of these links may be useful:
https://www.microsoft.com/en-us/windows/windows-11-specifications
https://www.elevenforum.com/t/clean-install-windows-11.99/
https://www.elevenforum.com/t/upgrade-to-windows-11.152/
https://www.microsoft.com/en-us/software-download/windows11
https://www.elevenforum.com/t/download-official-windows-11-iso-file-from-microsoft.1009/
.
.
.
.
.
Please remember to vote and to mark the replies as answers if they help.
On the bottom of each post there is:
Propose as answer = answered the question
On the left side of each post: Vote = a helpful post
.
.
.
.
.