Google explains: "You can pin an app's screen to keep it in view until you unpin it. "For example, you can pin an app and hand your phone to a friend. "With the screen pinned, your friend can use ...

This policy setting allows you to prevent users from changing their Start screen layout ... you will allow a user to select an app, resize a tile, pin/unpin a tile or a secondary tile, enter ...

Now open your Start Screen and go to the All Apps view by ... select Pin to Start. Else drag-and-drop it on to the Start Menu. You will now see the website tile pinned to your Windows 10 Start ...