Respuesta :
In the top right corner there will be a sign like
[ ? ]. Click that sign.
Or Press F1 In keyboard
Then the window help will pop-up
[ ? ]. Click that sign.
Or Press F1 In keyboard
Then the window help will pop-up
Answer:
F1
Lightbulb
Tell me what you want to do
the ? on the top-right corner in the Backstage View
Explanation: