Activate Office - Microsoft Support
Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.
Find your Office product key - Microsoft Support
Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.
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
Yes, you can change the product key for Office Home & Business, Office Home & Student, Office Professional, and individually purchased Office apps. To learn how, see Change your Office product key. You can also switch your Office license if you buy a different version of Office.
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 and install or reinstall Microsoft 365 or Office 2021 on a …
Microsoft 365 or Office for home. If you have a home product and it came with a product key*, before installing for the first time (or sharing it if you have Microsoft 365 Family), you need to redeem your product key first. Go to office.com/setup and sign in with an existing or new Microsoft account and then enter your product key to redeem it ...
Find your Windows product key - Microsoft Support
If you're looking for product keys for Office, apps, games, and more, see Find your Microsoft downloads and product keys. Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
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. Product keys are typically 25 characters long and …