Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Get the steps for setting up dual monitors on your Windows PC.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

Learn how to recover files that have been lost, deleted, or accidentally changed.

当此功能处于打开状态且弹出窗口被阻止时，Edge 将在 Web 浏览器的地址栏中显示以下图像。 如何在 Microsoft Edge 中允许特定 URL 的弹出窗口 有时，必须允许弹出窗口，以便特定的 Web 应用程序或网站体验能够按预期工作。