Hi Vikram,
I am Sumit here to assist you with this question.
Windows 11 is available starting October 5th, 2021. Eligible devices may not see the upgrade immediately as the rollout is staggered. If you have tested compatibility and do not want to wait, you can upgrade manually.
Check Windows 11 compatibility
https://www.yourwindowsguide.com/2021/09/window...
Download Windows 11
https://www.microsoft.com/en-in/software-downlo...
Use the Installation Assistant to Download Windows 11
https://go.microsoft.com/fwlink/?linkid=2171764
Alternatively, download an ISO file and Run Setup.exe to Start the Upgrade, using Windows 11 Media Creation Tool.
https://go.microsoft.com/fwlink/?linkid=2156295
All the steps, including MCT and Installation Assistant, are covered here:
https://www.yourwindowsguide.com/2021/10/instal...
Hope that helps and keep us posted.
Content on the above blog is written by a Windows MVP so it is safe. However, do watch out for the ads.