An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.

了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

Erfahren Sie, wie Sie Windows mithilfe von Tastenkombinationen navigieren. Hier finden Sie eine vollständige Liste der Taskleisten-, Eingabeaufforderungs- und allgemeinen Windows-Tastenkombinationen.

L'app Controllo integrità PC permette di visualizzare informazioni aggiornate sull'integrità dei dispositivi Windows, consentendoti di intervenire per migliorarne le prestazioni e risolvere i problemi legati alle prestazioni del tuo dispositivo.

¿Dónde puedo encontrar mi clave de recuperación de BitLocker? BitLocker probablemente se aseguró de que se realizara una copia de seguridad segura de una clave de recuperación antes de activar la protección.

What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

Choose from a variety of Surface devices and accessories to get help.

Surface app. With integrated help and support, you can find solutions to questions and issues directly from the Surface app. You can easily access device, charging, and warranty information and view and customize your connected Surface accessories.

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 ...

如果你信任 Windows 安全中心检测为恶意的文件、文件类型、文件夹或进程，可以通过将该文件添加到排除项列表，以使 Windows 安全中心停止向你发出警报或阻止程序运行。