如果你尝试激活一次性安装 Office 2016 for Mac 并且出现以下错误：已使用密钥，请选择要使用的另一个许可证。 单击“取消”，你将返回到许可证选择屏幕。 你试图使用的许可证将灰显。 可以选择未使用的任何其他许可证。

Summary. This security update contains a fix and resolves vulnerabilities. To learn more about the vulnerabilities, see the following security advisories:

We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.

节能器可自动管理系统进程和电源使用情况，以实现电脑性能和更长的电池使用时间的最佳平衡。 选择“ 启动 > 设置 > 系统 > 电源 & 电池 ”。 如果希望每当电池电量低于特定水平时打开节能器，请选择“ 节能器”以展开选项，然后在 电池电量处于时打开节能模式旁边，选择所需的电池电量。

为什么需要验证码？ 当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录，并且可以选择：

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

In the snapshot, you'll be able to see the annotations over the screen that was being shared when the snapshot was taken. Select annotations to make changes to them.

使用 Microsoft Edge，可以在设备上安装和管理常用网站的应用程序，以便快速访问。 使用 edge://apps 页查看已安装的应用程序并管理应用权限。 可以按安装日期、最近使用和字母顺序对已安装的应用程序进行排序。

How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.

Obtenga información sobre cómo usar el solucionador de problemas de activación para resolver problemas de activación comunes en Windows.