Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

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

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

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 installation media for Windows is a versatile tool that serves multiple purposes, including in-place installations for recovery and new installations. This media, typically created on a USB drive or DVD, …

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

Learn how to easily copy your files and settings to a new Windows PC.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Can I install my copy of Windows on more than one PC? You can't install Windows on more PCs than the Microsoft Software License Terms allow. Usually, a copy of Windows can only be installed on …