If you have upgraded to Windows 11, chances are your default software has been reinstalled. In this, your web browser is set to Microsoft Edge.
Unfortunately, changing the default browser is not one of them. The menu itself is darker than before, changing settings is more complicated. Anyway, here's how to set up the default browser Windows 10.
Accept the offer You will be taken to the default attachment page. If not, go to Settings > Applications > Default apps follow the instructions below.
https://sites.google.com/site/setdefaultbrowserinwindows10