Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

使用 Microsoft Rewards 赢得积分. 做日常所做的事，即可赢得奖励积分。. 这很简单，而且免费。. 只需注册即可将 Microsoft Rewards 包含在 Microsoft 帐户中：. Microsoft Rewards. 注册后，登录到 Microsoft 帐户可查看当前积分。. 在 Bing.com 上，还可在帐户名称旁看到总积分。.

The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

获取 iPad版Skype 的 Skype 购买和付款 支持，不论身在何处，都能与朋友和家人保持联系。.

下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时，应按如下方式表达：. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)

Follow these steps to reset your Microsoft account password. If you know the email address that you used to set up your Microsoft account (which is used to sign in to your Xbox profile), you can reset your password now: Go to Reset your password and enter your email address.

如果Microsoft 365 应用程序（如 Word 或 Excel）无法正常工作，有时重启会解决问题。. 如果这不起作用，你可以尝试修复它。. 完成后，你可能需要重新启动计算机。. Windows 10 Windows 11. 访问修复工具的步骤因操作系统的不同而异。. 右键单击左下角) ( “开始” 按钮 ...