An existing powerpoint presentation can be viewed using 'File -> Open' from the Menu bar and the file is
chosen by browsing to the location where it is saved. Opening Slideshow in Microsoft Powerpoint 2002
In the example, a file 'WELCOME TO PPT.ppt' is opened.
Using the 'Slide Show -> View Slideshow' is used to run the ppt presentation.
Simply by pressing the key 'F5' the presentation can be executed.