Activate Office - Microsoft Support
To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a …
Where to enter your Office product key - Microsoft Support
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.
Using product keys with Office - Microsoft Support
You'll receive a product key if you buy a one-time purchase Office or individual Office apps, but you won't need or receive a product key for Microsoft 365. To renew your Microsoft 365 subscription, you can buy an Microsoft 365 product key card from a retailer and redeem the key at https://microsoft365.com/setup .
Find your Office product key - Microsoft Support
Find your Office product key Applies To Office 365 Office 2019 Office 2016 Office 2013 Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup .
Download, install, or reinstall Microsoft 365, Office 2024, or Office ...
Go to office.com/setup and sign in with an existing or new Microsoft account and then enter your product key to redeem it*. Redeeming your key is what adds your Microsoft 365 or Office license to your Microsoft account, and you only have to do this once per product key.
Get help with product key errors on Office.com/setup
Get help with product key errors, or geographical region errors, when you redeem a new Office product key on Office.com/setup.
Change your Office product key - Microsoft Support
This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license. Change the product key for your version. How you change the product key depends on your version of Office. Select your Office version from the tabs below.
Find your product key for Office 2010 - Microsoft Support
Learn how to find your product key for Office 2010 or locate a lost Microsoft Office 2010 product key.
Difference between product key and activation code - Microsoft …
A product key is a unique alphanumeric code provided during the installation of Microsoft software (such as Windows or Office). It serves as a license key that validates your ownership of the software.