If you have Microsoft Office 2000 or higher the file may have an extension of *.ppt instead of *.pps
With the *.ppt you will load the Powerpoint program, then click on the Slide Show tab and select View Show
If you do not have Microsoft 2000 or higher,
then Double click the *.pps file (Example: autumn.pps) and the
powerpoint show will run, if the powerpoint viewer is installed and associated with these powerpoint shows,
Move the mouse arrow to the right side off of the slide to hide it.
Click your mouse or press the spacebar or press the right arrow to advance
to the next slide, or Press the left arrow or the up arrow or press the backspace key
to go back one slide.
Press the ESC key to exit the show.