The shortcut shows up in Quick Settings under Wi Fi or Cellular , and it’s also available by right clicking the network icon in the system tray. When you run it, Windows opens your default browser and starts the test there. The setup is simple, but it’s still a little different from a fully native panel inside Settings. Microsoft says the feature is meant to help you check performance and troubleshoot network problems. It supports Ethernet, Wi Fi, and cellular connections, which...