提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该Microsoft帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)

Smart charging will be paused and allow a full battery charge until your Surface needs to turn it on again. It may take several days before smart charging turns on again and limits your battery capacity to 80%.

When you’re away from your console or your Windows 10/11 device, you can still get ready to play your next Xbox console game. Use Xbox app on mobile or Xbox.com to remotely install games—so your games are ready when you are.

Click Verify next to your email address, and then click Send email.

Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

Choose your SafeSearch preference: Strict, Moderate, or Off.Select Save at the bottom of the menu.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Copilot in Microsoft Teams chat and channels helps you get up to speed on conversations by quickly reviewing the main points, action items, and decisions without having to scroll through long threads.

Use the Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).