How to Animate a Cube
Click View and Camera.

This view shows you what the camera sees.

Press the letter I.
Click Rot. This stands for rotation.

Press the up arrow on the keyboard until your frame number
is 91. 
Press the R Key and move your mouse so the cube is rotated.
Press the letter I.
Click Rot. This stands for rotation.

Press the F10 Key. This is at the top of the keyboard.
Click 25%. We do this so the computer will work
faster.
Click Anim.
The computer will then start animating what you created. This will take a minute or more.
When it does click play.
