Check the Xbox services, games, and apps for any service outages.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Create a new mail profile that contains information about your accounts and data files.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

了解如何查找电脑正在运行的 Windows 操作系统版本和设备规格。

Find everything you need to manage your Xbox account, profile, and more.

Your Microsoft account dashboard is where you can manage your personal information and security settings, keep tabs on your subscriptions and order history, and manage your payment and billing options.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.