查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。. 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上，产品密钥应显示在设备 ...

默认情况下，子女帐户设置为要求获得成人的批准后，孩子才能通过其账户进行购买。如果保持“请求允许购买”功能处于打开状态，则可以继续确保孩子不使用成人的信用卡进行购买，并且可以监视他们想要购买的内容类型。你将能够通过电子邮件或“家长控制”页面批准或拒绝孩子的购买请求。

许可范围。. 该软件只授予使用许可，而非出售。. 本协议只授予您某些使用该软件的权利。. Microsoft 保留所有其他权利。. 除非适用法律给予您更多权利（尽管有此项限制），否则您只能在本协议明示规定的范围内使用该软件。. 在按规定使用软件时，您必须 ...

Skype 支援在此幫助您解決所有 Android 版 Skype 問題。

如何在 Excel 中使用 IFERROR 函数捕获和处理公式中的错误。 如果 value 是数组公式，则 IFERROR 为值中指定的区域中的每个单元格返回结果数组。

With Xbox Live Gold, you get multiplayer gaming, free games, game discounts, and more. And on Xbox One, share your Gold benefits with everyone on your home console. Sign up for Xbox Live Gold right from your Xbox One or Xbox 360. You can buy it right there, or use a card or code from a retailer. Or, learn more and sign up on Xbox.com. Get Xbox ...

Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions. Select the subscription that you want to manage. From here, you can view your plan, expiration date, billing history, subscription status, and change how you pay. Note If the price for your Xbox subscription has ...

Alexa'nızdan, Ayarlar > Erişilebilirlik > Konuşma Olmadan Çağrı ve Mesajlaşmayı Etkinleştir seçeneğine gidin. Evde değilken Alexa cihazıma çağrı alırsam ne yapabilirim? Alexa cihazınızın siz evde değilken çalmasını istemiyorsanız Alexa'nızda bu saatler için Rahatsız Etmeyin özelliğini ayarlayın.

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