Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation, Windows will try to use your internet connection to activate online.

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. If you're unable to activate Windows 10, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > Update & Security > and then select Troubleshoot .

For Microsoft 365 - Activate Office. For Microsoft 365 for Mac - Activate Office for Mac. For Office 2021, 2019, or 2016 - Activate Office after reinstalling or installing on a different device.

To continue to use all the features of your product, you must activate the product. Microsoft Product Activation is a Microsoft anti-piracy technology that verifies software products are legitimately licensed.

Describes how to activate the perpetual license of Visio. This includes how to active the perpetual license by using the Internet or by using the telephone. You can also skip the activation and activate your license at a later time.

Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

If you need help activating Microsoft 365 or Office, see Activate Microsoft 365 or Office for Mac. If activation fails, see What to try if you can't install or activate Microsoft 365 or Office for Mac .

Step 1: Go to www.microsoftstore.com and sign in (upper right-hand corner) with the Microsoft account that you used to buy Office.. Step 2: After you sign in, select your name in the upper right-hand corner, and then select Order History.. Step 3: Locate the Office one-time purchase or individual Office app, and then select Install Office to view your product key (this doesn't …

A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow. Windows 11 and Windows 10 : In most cases, Windows 11 and Windows 10 activates automatically using a digital license and doesn’t require you to enter a product key.