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此适用于 Windows 11 版本 25H2 和 24H2 (KB5120998) 的累积更新包括生产质量改进。 公告和消息 本部分提供与此版本相关的重要通知，包括公告、更改日志和终止支持通知。 Windows 安全启动证书过期 重要提示： 大多数 Windows 设备使用的安全启动证书从 2026 年 6 月开始过期。 在过去的几个月里，Microsoft 一直 ...

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Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Learn how to control your PC by voice using Windows Speech Recognition commands for dictation, keyboard shortcuts, punctuation, apps, and more.

在 Excel 中搭配條件式格式設定使用 AND、OR 和 NOT 在 Excel 中，您也可以使用 AND、OR 及 NOT 透過公式選項來設定條件式格式設定準則。 這麼做時可以省略 IF 函數，並單獨使用 AND、OR 及 NOT。 在 Excel 的 [ 常用 ] 索引標籤中，按一下 [ 條件式格式設定 > ] 新增規則。 接下來，選擇「使用公式來決定要 ...

Desktop Mobile Use Microsoft Teams to chat online with your colleagues. Start a chat with another person Select New message at the top of your list of chats and channels. Enter a person’s name. Compose your message in the box at the bottom of the chat. To open formatting options, select Format to the right of your message. When your message is ready, select Send or press Enter to start the ...