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

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

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. There are two methods to which you can activate your …

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 …

The Product Activation Portal enables activation for a wide range of perpetual Microsoft products and supports both connected and non‑connected devices. This evolution ensures activation remains …

If we detect your Microsoft account, we'll show it on this screen. After you sign in, your product is added to your Microsoft account, so that you can reinstall it later, or manage your new subscription, without …

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

Apprenez à activer Windows à l'aide d'une clé de produit ou d'une licence numérique, à vérifier l'état de votre activation et à lier votre compte Microsoft.

Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.

This article defines product activation and describes when and how to activate a Microsoft product. It also explains how to contact a Microsoft Product Activation Center and contains additional product …