One of the easiest ways to safely watch a solar eclipse is to use 2 sheets of cardboard and make your own simple pinhole projector.Project the Sun
Never look directly at the Sun without proper eye protection. You can seriously hurt your eyes and even go blind.
Projecting the Sun through a box projector, or usingbinoculars or telescope, or simply 2 pieces of card is a safe and easy way to view a solar eclipse.