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

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 …

Learn how to redeem prepaid codes for Xbox games, subscriptions, or downloadable content using your account.

Troubleshoot activation errors If Microsoft 365 can't activate, it eventually becomes unlicensed and all editing features of Microsoft 365 are disabled. Microsoft can become unlicensed for a number of …

Oct 14, 2025 · The Activation Wizard helps you complete the activation process for Office 2016 and earlier versions of Office. Choose an option below to get started.

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 …

Note If you already own a Microsoft 365 or Office license, then you can sign in to your Microsoft account Services & subscriptions page and install the product (s) that you own.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Windows 11 Windows 10 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 …

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

Windows 11 Windows 10 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 …