Power Point File Viewer comes to solve your problem. Microsoft Power Point Viewer is compatible with all Windows versions and it weights not more than 23 MB in your computer.
From now on and thanks to Microsoft Power Point Viewer you will not have to buy the full version of Microsoft Office to open PPT files. Though it is a free version, it's useful and it includes all the options you could find if using Microsfosoft PowerPoint.
Fast, Easy and Free. Anything else?.