Most commercial software comes with some form of protection to avoid unauthorized copying and installation. See Unsupported operating system error when installing Office or Set up Office apps and email on a mobile device.How to Find Your Microsoft Windows and Office Keys I received an unsupported operating system message: If you got an unsupported operating system error message you may be trying to install Microsoft 365 on an unsupported device such as installing the Mac version of Microsoft 365 on a PC or vice versa, or trying to install Microsoft 365 on a Chromebook or other mobile device. If there wasn't a link, see Troubleshoot installing Office. I received an error message: If you got an error message while trying to install Microsoft 365 and it has a Learn More link, select it to get information for how to troubleshoot that particular error. If your computer can't install the full desktop version of Microsoft 365, try the free Office Online apps using your desktop browser. For example, your install won't be successful if you're trying to install Microsoft 365 on a computer running Windows Vista or Windows XP operating system. You can find a list of which systems are supported on the system requirements page. Won't install: Your computer must be running a supported operating system to install Microsoft 365. Yes, see Install and set up Office on an iPhone or iPad and set up email on an iOS device (iPhone or iPad). In the Dock, Control+click or right-click the app icon and choose Options > Keep in Dock. Go to Finder > Applications and open the Office app you want. If Microsoft 365 activation fails, see What to try if you can't install or activate Office for Mac. If you need help activating Microsoft 365, see Activate Office for Mac. The What's New window opens automatically when you launch Word. Launch an Microsoft 365 for Mac app and start the activation processĬlick the Launchpad icon in the Dock to display all of your apps.Ĭlick the Microsoft Word icon in the Launchpad. If Microsoft 365 installation fails, see What to try if you can't install or activate Office for Mac. Click Close when the installation is finished. (This is the password that you use to log in to your Mac.) Note: If you want to only install specific Microsoft 365 apps and not the entire suite, click the Customize button and uncheck the programs you don't want.Įnter your Mac login password, if prompted, and then click Install Software.

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