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Select your version of Office below to learn how to activate Office.

Activate Microsoft 365 or a non-subscription version of Office

Shows the "Sign in to set up Office" page that might appear after you install Office

When you start an Office app that's not activated, you'll be prompted to sign in to Office. Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365.

Note:If Office came pre-installed on your new device, see Activate Office that's pre-installed on a new Windows device.

Shows the Microsoft Office Activation Wizard

Activate Office that's pre-installed on a new Windows device

Shows the "Let's get started" screen that indicates an Office 365 trial is included with this device

If this screen appears, Office is installed as a Microsoft 365 Family trial

You'll see this screen if you sign in to Office that was pre-installed on a new device but don't have an Office product associated with your account.

To use Office on your new device, you can activate Office as a 1-month trial of Microsoft 365 Family. You can also buy Office, add Office to an existing Microsoft 365 subscription, or enter a product key from a new product key card. If you have an older copy of Office, you can install that instead.

I thought this device included

Activate an Office purchase or offer that's included on a new Windows device

If this screen appears, Office is installed as a one-year subscription or one-time purchase

A digital product key is transmitted to your PC, so you won't need or receive a printed product key. You activate Office by signing in with a Microsoftaccount. If we detect your Microsoft account, we'll show it on this screen. After you sign in, your product is added to your Microsoft account, so that you can reinstall it later, or manage your new subscription, without a product key.

Activate Office HUP

Shows the link that you click to enter your Microsoft HUP product key

If you bought Office Professional Plus, Visio Professional, or Project Professional through your employer's Microsoft HUP benefit, select I don't want to sign in or create an account (at the bottom of the screen) and enter your product key.

Get your HUP product key

Activate a brand new or Microsoft 365 product key

Go to https://office.com/setup in your web browser

Troubleshoot activation errors

If Office can't activate, it eventually becomes unlicensed and all editing features of Office are disabled. Microsoft can become unlicensed for a number of reasons. For example, if your Microsoft 365 subscription expires, you must renew your subscription to restore all features of Office.

If Office was pre-installed on your new PC, you must start an Microsoft 365 Family trial or buy Office to continue using Office.

See also

A subscription notice appears when I open a Microsoft 365 application

You get the Office error "The products we found in your account can't be used to activate <app>"

Troubleshoot activation errors in Office

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