SharePoint is a browser-based app that you connect to through your web browser, like so:

  1. Go to office.com, and sign in to your work or school account.
  2. In the upper left corner of the window, select the app launcher  
    Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

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  1.  > All apps > SharePoint  

 

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