当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Cómo abrir la Comprobación de estado del PC. En Windows, escribe "Comprobación de estado del PC" en el área de búsqueda de la barra de tareas y selecciónalo en la lista de resultados.

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Узнайте, как установить последнюю версию драйвера для принтера. Если вы недавно обновили Windows, вам может потребоваться переустановить драйвер принтера.

注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method