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.
Activate Windows - Microsoft Support
Find your product key in the confirmation email you received after buying Windows 10 or in a digital locker accessible through the retailer’s website. A digital license will be given to your device for Windows 10 based on the valid product key you entered.
Product keys for Windows - Microsoft Support
Product keys for Windows. Applies To. 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 ...
Reactivating Windows after a hardware change - Microsoft Support
If you used a product key to get to Windows 10, then you’ll need that key again after the hardware change. To find out how to locate your key, see Find your Windows product key. For more info about product keys and digital licenses, see Activate Windows.
Get help with Windows activation errors - Microsoft Support
For example, a product key for the Enterprise edition of Windows 10 can't be used to activate Windows 10 Home or Windows 10 Core editions. Enter a product key that matches the version and edition of Windows installed on your device or buy a …
Find and install your Microsoft downloads from Microsoft Store
Go to Order history, find Windows 10 or Windows 11 and then select Product key/Install. Select Copy to copy the key, and then select Install . Select Download tool now , and follow the instructions.
Product Key für Windows finden - Microsoft-Support
Suchen Sie Ihren Product Key für Windows 10 oder Windows 11 Je nachdem, wie Sie Ihre Kopie von Windows 10 oder Windows 11 erhalten haben, benötigen Sie entweder einen 25-stelligen Product Key oder eine digitale Lizenz, um ihn zu aktivieren.
Using the Windows Activation troubleshooter - Microsoft Support
Find your Windows product key 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.
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.
Find your BitLocker recovery key - Microsoft Support
A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.