Okay. Try opening the Google app not from the widget but the icon then settings then general and see if the discover switch is on or off. If off turn it on . You might then find it at the bottom of the search results. Anyway best of luck with the fut...
You can't do it from galaxy store but you can do it from play store itself. Open play store go to settings and play store version click it and rest is history it will start updating to the latest version. Or In settings about phone < Software informa...
Try updating the apps from "galaxy store" and play store and you are good to go for Android 11. Samsung notes wasn't opening with the Android 11. I just updated it from the galaxy store and now it works fine. So just see. Hope I helped 珞