To turn off the advertisements in the start menu, go to Settings > Personalization > Start and toggle off Show ...

Having done that, go to Settings and more menu (visible as 3 vertical dots in the upper-right corner). Choose Settings from the list of options displayed. In the left panel of Edge Settings scroll ...

In the Settings menu, go to the Apps tab in the list on the left-hand side. Windows 11 Apps Settings will help you manage Default Apps, Installed Apps, Offline Maps, Optional features, Video ...