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.
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.
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
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 .
Get help with product key errors on Office.com/setup
You'll see this message along with either error code INVALID_PRODUCT_KEY or error code ERR_INVALID_TOKEN if you enter the wrong product key, or if you have a typo in your product key. Examples of using the wrong product key. Most Microsoft products use a 25-character product key. If you own multiple Microsoft products, it’s easy to confuse ...
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Partners: use a product key to set up a customer subscription
What is an Microsoft 365 product key and how do I use it? A Microsoft 365 product key is a unique 25-character alpha-numeric code that you can use to activate a Microsoft 365 subscription, add users , and renew a Microsoft 365 subscription.
Difference between product key and activation code - Microsoft …
An activation code (also known as an activation key) is used to activate the software after installation. Activation ensures that the software is genuine and legally licensed. Unlike a product key, which is entered during installation, the activation code is applied after installation.
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