An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.

Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.

The United States Microsoft Store only ships to the U.S. and Puerto Rico. For sales in other countries or regions, visit one of the international Microsoft Stores.. We need a full street address for delivery purposes.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

注意 只能使用将信用卡或已确认的银行帐户作为资金来源的 PayPal 帐户。 若要将 PayPal 与 Microsoft 帐户结合使用，请确保 PayPal 帐户使用可接受的资金来源。

Set up an eye tracking device. This guide helps you to set up and calibrate your eye tracking device for use with Windows eye control. We have tested it with the Tobii Eye Tracker 4C device; your experience with other devices might vary.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

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