PowerPoint Viewer has been retired. If you don't have PowerPoint installed on your computer, you can still open and view PowerPoint presentations by using PowerPoint Online in a web browser or PowerPoint on your mobile device.
PowerPoint in a web browser
PowerPoint Online is a free alternative that provides some of the same benefits of PowerPoint Viewer and can display some newer features (such as the Morph feature and animations added to PowerPoint after version 2010).
If you have a Microsoft account (hotmail.com, outlook.com, live.com, msn.com) or an Office 365 work or school account, you can view and edit a presentation for free in a web browser by saving the file to OneDrive or Dropbox and using PowerPoint Online to open it.
PowerPoint on a smartphone or tablet
The free mobile versions of PowerPoint let you open presentations on your smartphone or tablet:
PowerPoint Viewer has been retired
PowerPoint Viewer was retired on April 30, 2018. It's no longer available for download.