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 approve child purchases on Xbox, manage spending limits, and ensure a safe gaming experience for your family.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

If you think your Microsoft account has been hacked, find out how to secure your account and check for unauthorized activity.

Verify your Outlook.com account to prove that you're a human and not an automated program that sends spam.

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.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

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.

重要: 更新时间：2025 年 2 月 4 日 此支持文章最初于 2021 年 9 月 30 日发布，当时Windows 11首次向公众发布。 在发布时和今天，此支持页背后的意图是详细说明在满足Windows 11系统要求的设备上安装Windows 11的方法。 如果在不符合Windows 11系统要求的设备上安装了Windows 11，Microsoft建议立即 回滚到Windows 10 ...

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。