Find your Windows product key - Microsoft Support A new PC running Windows The product key is preinstalled on your PC, included with the packaging the PC came in, or included on the Certificate of Authenticity (COA) attached to the PC For more info, contact your hardware manufacturer, and for pictures of authentic product keys and COA labels, see How to tell your hardware is genuine
Activate Windows - Microsoft Support Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account
Using product keys with Microsoft 365 - Microsoft Support If you paid for a Microsoft 365 product to be included on your new Windows PC, a digital product key is transmitted to your PC when you activate Windows You won't receive a printed product key
Difference between product key and activation code Difference between product key and activation code Let’s delve into the distinction between a product key and an activation code: Product Key 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
Find and install your Microsoft downloads from Microsoft Store Find the software, and then select Product key Install Note: If you're having problems installing an app from the Microsoft Store, see Fix problems with apps from Microsoft Store If you're looking for download and installation instructions for a specific product, see the following sections
Get help with Windows activation errors - Microsoft Support Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow This article will help you troubleshoot and fix common activation errors in Windows For help finding your product key, see Find your Windows product key
Find your product key for Office 2007 - Microsoft Support If you lose your Product Key and have a valid proof of purchase, contact Microsoft support for help If it's hard to read the product key on your packaging, use this guide to help you tell the numbers and letters apart: If your Office product key doesn't work, or has stopped working, you should contact the seller and request a refund