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.

在“设置”中，点击“关于”>“型号和硬件”，然后查找你的“序列号”。 这是查找序列号的最快方法。 但是，如果 Surface Duo 无法打开，则弹出后也可以在 SIM 卡托盘上找到序列号。

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

If you travel often, your new locations may show as unusual activity. To travel without disruptions or alerts, we recommend using Microsoft Authenticator to sign in.. If you get an email about unusual activity and you're not sure if it's from Microsoft, you can safely sign in to your Microsoft account any time without clicking links in the email.

Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.

To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.. When an @mention recipient receives a notification, selecting it takes them directly to the point in the conversation where they were mentioned.

If you’re connecting to your home Wi-Fi network, consider changing the type of security that your router or access point uses. You can do this by signing in to your router using the software for it, and then changing the security type for your home Wi-Fi network.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

This event is logged when the Secure Boot DBX variable is updated successfully. The DBX variable is used to untrust Secure Boot components and is typically used to block vulnerable or malicious Secure Boot components such as boot managers and certificates used to sign boot managers.

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