Good Day Rishabh18,
My name is Carlo, I am also using Windows 10 pc and community member like you. Let us work together to sort this out.
Try to use the Media Creation Tool to update your computer to Windows 11.
Here's the link to download the ISO
https://go.microsoft.com/fwlink/?linkid=2156295
Download an ISO file and Run Setup.exe to Start the Upgrade.
Visit this link as reference to download the Windows 11 manually.
https://www.yourwindowsguide.com/2021/10/instal...
Have a wonderful day ahead and stay safe.
Sincerely,
Carlo T.
Standard Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.