If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.

Learn how to find your Windows product key for activation or when to use a digital license instead.

We would like to show you a description here but the site won’t allow us.

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

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Learn how to turn off or uninstall OneDrive. OneDrive is built in to some versions of Windows and can't be uninstalled.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.