Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Warranties, extended service plans, and terms and conditions for your device Terms and conditions, including warranty terms, are dependent upon where you purchased your device. To review legal documents about the Standard Limited Warranty, Microsoft Complete extended service plan, and extended hardware service plan for business here, see: Warranties and service plans

With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications. By using System Restore, you can undo these changes without affecting your personal files, providing a safe way to resolve problems without losing ...

Find out more about the drive compatibility tool to update external drives to work with your PC so you can game.

The Windows taskbar is a central part of the Windows operating system that helps you launch apps, switch between open windows, and access system features like notifications, search, and the Start menu. In Windows 11 and Windows 10, the taskbar can be customized to better match how you work—whether that means centering taskbar icons, pinning your most-used apps, or controlling which system ...

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Note Microsoft Authenticator is not available for PC or Mac, because authenticator apps are designed for smartphones for security reasons. Learn more. Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date. Users in China should read how to download and use Microsoft Authenticator in China.

了解如何设置和使用适用于 Windows 的 Xbox 无线适配器，包括如何将适配器连接到 Windows 设备和将控制器与适配器配对。

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

了解如何使用搖桿調整工具，自訂 Xbox Elite 無線控制器系列 2 的搖桿張力。