Important: The calculated results of formulas and some Excel worksheet functions may differ slightly between a Windows PC using x86 or x86-64 architecture and a Windows RT PC using ARM architecture.Learn more about the differences.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

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Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.

Retrace your steps on your PC with Microsoft's Recall feature, which helps you find and revisit past activities quickly.

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

Información. Windows puede descargar iconos de alta resolución para muchos de los dispositivos de hardware que están conectados al equipo, así como información detallada acerca de ellos; por ejemplo, el nombre del producto, el fabricante y el número de modelo (además de información detallada sobre las funciones de sincronización de un dispositivo). Estos detalles hacen que sea más ...

Benutzername. Ihre E-Mail-Adresse. Kennwort. Kennwort für Ihr Microsoft-Konto. Wenn Ihr Kennwort nicht erkannt wird oder Sie Ihr Outlook.com Konto einem smarten Gerät wie einer Heimsicherheitskamera hinzufügen möchten, benötigen Sie möglicherweise ein App-Kennwort.