如果接收人意外删除礼品电子邮件，则让他们检查其电子邮件应用中的已删除邮件文件夹。 如果那里没有礼品，则赠送者可以按照上面的“接收人一直收不到礼品”中列出的步骤通过电子邮件发送代码。

如果使用你的 Microsoft 帐户余额购买游戏或加载项，则帐户中的资金可能不足以支付商品的总价格。 例如，如果尝试购买的游戏的单价为 9.99 美元，而 Microsoft 帐户余额为 10 美元，则该金额不足以支付税款，因此需要充值才能支付总余额。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Leave your Android device in your pocket the next time it rings — pick up the call from your PC instead. Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both.

If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.

注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题，请参阅获取有关 Windows 激活错误的帮助。 在这里，通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”，可找到有关你的代码的特定信息及解决方案。

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.