Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Erfahren Sie, wie Sie einen Windows-Product Key für die Aktivierung finden und wann Sie stattdessen eine digitale Lizenz verwenden.

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

However, if a product key is required, it can usually be found in the confirmation email you received after purchasing Windows, or in the box Windows came in. Microsoft doesn't keep a …

Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

You can find the product key in one of the following locations: Sticker on the CD case or other packaging. Certificate of Authenticity. Confirmation email message received from an online …

Get your product key. If you used a product key to get to Windows 11, then you’ll need that key again after the hardware change. To find out how to locate your key, see Find your Windows …

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 …

Learn how to find your product key for Office 2010 or locate a lost Microsoft Office 2010 product key.

Une clé de produit (Product Key) Windows est un code à 25 caractères, qui sert à activer Windows. Elle se présente ainsi : CLÉ DE PRODUIT : XXXXX-XXXXX-XXXXX-XXXXX …