当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.

If Outlook won't open, try opening it in safe mode, which disables add-ins. 1. Right-click the Start button, and click Run.. 2. Type Outlook.exe /safe, and click OK.. Tip: If Windows can't find Outlook.exe /safe, try using the full path to Outlook (for example C:\Program Files\Microsoft Office\OfficeXX, where XX is your version number). More on starting Outlook in safe mode and disabling add-ins.

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

Note: If you have dismissed the dialog, use the hotkey CTRL + Windows + N to access the Narrator settings. Next, you should proceed to the Choose a Voice combo box and then click the button that says "Show All Settings" just below the combo box.The Add button, which is displayed after the speed, pitch, and volume options for the presently selected voice, can be activated from here.

Controller serial numbers are 14 characters long and don’t include dashes. Your controller serial number may not be recognized if you’ve never connected your controller, or if you connected for the first time within the last 48 hours.; If you have the Xbox Elite Wireless Controller Series 2, the 14-character serial number is in the lower center on the back of the controller.

大多数打印机都需要安装最新的打印机驱动程序，以便打印机正常运行。 如果你最近从较早版本的 Windows 升级，你的打印机驱动程序可能适用于以前版本，但可能无法使用 Windows 10 正常运行或根本不能运行。

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

注意: 删除所有内容 > 更改设置 提供了两个选项。. 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。 这可能需要一或两个小时的时间，但也会让其他人难以恢复你删除的文件。

注意: 可以使用你拥有的电子邮件地址作为 Microsoft 帐户，或者在注册时选择“获取新电子邮件地址”或“改用电子邮件”来 ...