Using windows 10. Tried both Firefox and Chrome (both up to date versions) with same results. Menus don't work. Learn More button doesn't work. I can enter a si

Using windows 10. Tried both Firefox and Chrome (both up to date versions) with same results. Menus don't work. Learn More button doesn't work. I can enter a simple formula such as '=5*10' and get a result, but can't refer to another cell. Can't move to anywhere past row 8.