Learn how to sign in, run the setup, and activate Microsoft 365 or Office 2021 on your device. Find out the system requirements, product keys, and troubleshooting tips for Office 2021 installation.

In Office 2021, you'll find new co-authoring features, inking tools, data types, functions, translation and editing tools, motion graphics, ease-of-use features, and so much more! Check out what's available to you today.

Microsoft 365 is a subscription service that offers the latest versions of Office apps, cloud storage, and technical support. Office 2021 is a one-time purchase that does not include upgrades or online features.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription.

Office 2021 and Office LTSC 2021 are the next perpetual releases of Office. They include improvements over Microsoft Office 2019 and earlier versions of on-premises Office. For more information, see the following frequently asked questions.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

With this new look, we’ve applied Fluent Design principles to deliver an intuitive, familiar experience across all your applications: Word, Excel, PowerPoint, OneNote, Outlook, Access, Project, Publisher, and Visio. How it works. We are excited for users to experience Office at its best.

Choose between Microsoft 365 Personal (for one person) or Microsoft 365 Family (which you can share with your family ). Buy a one-time purchase version of Office 2021. Get the newest non-subscription version of Office such as Office Home & Student 2021 or Office Home & Business 2021.

Word 2021. Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.