Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。

Find out how to update your Microsoft account if you’re moving to a new country or region and about the impact of changing regions.

If you have one of these non-subscription versions you should have a received a product key with your purchase. Before installing Project the first time, sign in with an existing or new Microsoft Account and enter your product key* at microsoft365.com/setup.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Resetting your PC in Windows is a powerful feature that allows you to restore your device to its original state, which can be useful whether you're experiencing performance issues, software problems, or simply want a fresh start. This feature is designed to be user-friendly and provides several options to suit different needs. Reset options Here's a list of options when resetting your PC: