Some versions of Microsoft 365 such as Office Professional Plus 2021, Office Standard 2021, or a stand-alone app such as Word 2021 or Project 2021 don't have an associated Microsoft account, or work or school account. *If you don't have a product key or an account You'll sign in with your work or school account for these versions of Microsoft 365. Once you verify you have a license, anytime you need to install or reinstall Microsoft 365 you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac.

Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your organization, see Assign licenses to users. You can launch the trial and purchase a key from Microsoft if you want the full version.If your Office for business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you. You will be required to sign in using your Microsoft Account, and will need to provide the product key on your MPI card before downloading the software.Note: If your system did not include an MPI card, a 60 day trial version of Office is loaded instead. While Office installs you can continue to use your device.If you are unable to access your Microsoft Office or if the application has been removed, you can download the software at . The MPI card is used to activate a full version of Microsoft Office Home & Student.Use the following steps to activate and install Office Home & Student using the MPI card:Locate the MPI card found in the original retail packaging.Press the Windows key + C, or swipe in from the right edge of the screen to open your Charms, then select Search.Type Microsoft Office in the search.Click Microsoft Office to launch the application.Select Activate.Enter your product key as found on the MPI card.Click Continue to start installation of Office Home & Student. How do I install and activate Office Home & Student with my Microsoft® Product Identifier card?Some of our Windows 8 products come with a Microsoft ® Product Identifier (MPI) card in the original retail box.

Activate and install Microsoft Office Home & Student - Acer Community

Microsoft home & student 2021