Learn how to troubleshoot Miracast connections and fix problems connecting to a wireless display or dock in Windows.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

Get help with your questions about using Microsoft Whiteboard with our how-to articles, tutorials, and support content.

Microsoft Editor is an AI-powered service that helps bring out your best writer in more than 20 languages, whether you're writing a Word doc, composing an email message, or posting on a website like LinkedIn or Facebook.

注意: 如果你是管理组织中的 Surface for Business 设备的 IT 管理员，请参阅恢复工具 (Surface IT 工具包) 了解将受支持的 Surface 设备还原到其出厂状态的另一种方法。

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.

Tip: If you want to turn Smart App Control on after it's been turned off, you can reset Windows 11 by tapping the Start button, typing Reset in the search box, selecting Reset this PC from the search results, and starting a reset from the Recovery menu. You can choose the Keep my files reset that keeps your personal files and only removes apps and settings.

按“开始”按钮 ，然后在“搜索”框中输入“商店”。 从结果中选择 Microsoft Store 以打开应用。; 选择屏幕右上角的帐户，然后选择 兑换充值码或礼品卡。; 输入由 25 个字符组成的代码，选择 下一步，然后按照提示操作。

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