( Note: This will not happen in all browsers). You will need administration rights to install. You only need to install OneDrive if you are running Windows 7, Windows Vista, or if you've uninstalled OneDrive and want to reinstall. PCĬomputers running Windows 8.1 and 10 come preinstalled with OneDrive.
To ensure uninterrupted use of the OneDrive app on Mac, upgrade to Mac OS version 10.12 or later before 2/1/19. February 1st, 2019, the OneDrive app is ending support for Mac OS versions 10.11 and earlier.