Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

我们更新了新的 Xbox 玩家代号，以支持最多 12 个字符的基于 Unicode 的所选名称，如果共享了该玩家代号，则带有自动生成的后缀。 我们为玩家提供 13 种不同的字母表，支持全球 200 多种语言。

On the Start menu, scroll down the all apps list to Microsoft Solitaire Collection, right-click (or press and hold) the tile and select Pin to Start .It'll be available on the Start menu.

了解如何在 Microsoft Edge 中查看、管理和删除 Cookie。 如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

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。

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

Reading preferences in Immersive Reader In Reading preferences, you can turn on tools like Line focus to focus on reading one, three or five lines at a time, Picture dictionary to see a visual representation of a word, or Translate to change the language of the text.. Find these tools in Reading preferences on the Immersive Reader toolbar. Line focus: Line focus narrows the focus of your ...

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.