Please read these important instructions

1.To start the tutorial double click on "Excel 2007 Tutorials" file.

2.If you feel the image quality has dimmed, right click anywhere on the inside
  and set 'Quality' to 'high' to eliminate distortion. 

3.Use a screen resolution of 1024x768 & higher for finer viewing. 

4.Right click anywhere inside the window and set view to 100%. 