Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

如果你忘记了 PIN 并需要重置它，可以从 Windows 登录屏幕进行重置。 查看 PIN 文本框下方： 如果看到 我忘记了 PIN ，请选择它，然后按照说明重置 PIN。 如果设备上有多个帐户，请选择需要重置的帐户。

これらの手順は、Excel が応答しないエラーを受け取ったとき、Excel を起動したときにハングまたはフリーズする場合、または Excel ブックを開くときの最も一般的な問題を解決するのに役立ちます。

Erfahren Sie, wie Sie Treiber in Windows aktualisieren, indem Sie den Geräte-Manager verwenden, um einen Treiber zu aktualisieren oder neu zu installieren.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

Get tips for how to set up and test microphones in Windows.

Use el instalador sin conexión de Office para instalar Office 2016 u Office 2013 si no tiene una conexión a Internet activa o si tiene problemas debido a conexiones de velocidad lenta o no confiables.