Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

If you already have a Microsoft account that you use to sign in to other Microsoft services (such as Windows, Outlook, OneDrive, Office, MSN, and Skype), use that account to create your Xbox account as well.

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Open Microsoft Edge, select Settings and more (...), and then select Settings. Look for your version under About Microsoft Edge.

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如果你忘记了 PIN 并需要重置它，可以从 Windows 登录屏幕进行重置。 查看 PIN 文本框下方： 如果看到 我忘记了 PIN ，请选择它，然后按照说明重置 PIN。 如果设备上有多个帐户，请选择需要重置的帐户。

重要: Microsoft帳戶、Windows 作業系統及其他Microsoft產品都包含密碼以協助保護您的資訊。本文提供一些選項，您可以在忘記密碼時用來重設或復原密碼。 請注意，如果這些選項無法運作， Microsoft支援無法協助您擷取或規避遺失或忘記的密碼。

Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings