安裝 Windows 11. 當 Windows 11 升級已針對您的特定電腦進行測試並驗證之後，Windows Update 會指出它已準備好安裝。 若要檢查 Windows 11 是否已準備好安裝到您的裝置，請前往 [啟動] > [設定] > [更新與安全性] > Windows Update ，然後選取 [檢查更新]。 如果您的裝置可以升級，而您想要繼續進行，請下載並安裝它。

Customize your meetings and webinars with personalized touches for best-in-class experiences during client calls or company presentations with branded meetings, organizational backgrounds, and more.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

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Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.

This article describes the formula syntax and usage of the SUBTOTAL function in Microsoft Excel.. Description. Returns a subtotal in a list or database. It is generally easier to create a list with subtotals by using the Subtotal command in the Outline group on the Data tab in the Excel desktop application. Once the subtotal list is created, you can modify it by editing the SUBTOTAL function.

When you schedule a Microsoft Teams meeting from Outlook, a dial-in number and conference ID are included automatically. If you have PSTN conferencing enabled in Teams, they are also included.

存储为文本的数字可能会导致意外结果，例如显示未计算的公式而不是结果。 使用公式将文本转换为数字. 可使用 value 函数仅返回文本的数值。

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

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