Thewindowsclub and tweaks.com has made a tutorial about how to configure the registry and group policy to make it possible to get notified about updates in windows 10.
https://www.thewindowsclub.com/make-windows-10-notify-you-before-downloading-or-installing-windows-updates
https://tweaks.com/windows/67201/configure-windows-10-to-prompt-for-update-installs/
https://www.thewindowsclub.com/make-windows-10-notify-you-before-downloading-or-installing-windows-updates
https://tweaks.com/windows/67201/configure-windows-10-to-prompt-for-update-installs/