Chat: If you wish to guarantee Chat is turned off for a given PC, you can do so by mapping www.bing.com to either Nochat.bing.com (which will lock Chat as turned off for the given PC) or Nochatstrict.bing.com (which will lock Chat as turned off for the given PC and the SafeSearch setting as locked to strict), by following the same steps as outlined above but in step 6, pinging either “nochat ...

2. Install any applicable firmware updates. If you have a Surface device, see Security issue for TPM on Surface devices for more information and instructions.. If your device is not from Microsoft, locate the device manufacturer of your device in the following table, select the corresponding link, and apply the firmware update that's provide.

Si vous installez Windows sur un nouvel appareil ou une carte mère pour la première fois et que vous n’avez pas de clé de produit, sélectionnez Je n’ai pas de clé de produit pendant les écrans d’installation. À l’invite, entrez le compte Microsoft à utiliser pour acheter une licence numérique pour cet appareil.

Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

Find out how to request a refund for your Xbox digital purchases or subscriptions on the official Xbox Support website.

iPhone 说明：如果 iPhone 导入时遇到问题，请确保设备已解锁，并且已接受权限。 适用于 Android 和其他设备的注意事项： 如果你使用的是 Android 手机或其他设备，并且导入不起作用，则可能需要将手机的 USB 设置从“通过 USB 充电”更改为“传输文件”或“传输照片”。

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

In Outlook, you have the flexibility to make Outlook work online or offline with your mail server. Select a tab option below for the version of Outlook you're using.

检查 Xbox 服务、游戏和应用是否有任何服务中断。