Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.

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。

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

Join a Teams meeting on the web. Don't have the Teams app? You can still join a Teams meeting. In your email invite, select Join the meeting now.. You can also use a dial-in number and conference ID from the email to call in.

Learn how to get more storage or delete excess files if your OneDrive is full or near your storage limit.

Learn how to optimize gaming performance in Windows 11 by disabling memory integrity and Virtual Machine Platform, and understand the associated risks.

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

注意 并非所有控制杆问题都能使用此重新校准工具来解决，包括因正常磨损造成的偏移。 如果你要自行修理控制器，那么在更换控制器的基板和电路板后，应使用此重新校准工具。

新しい Windows 10 PC にプリインストールされている Office をライセンス認証する、または新しいプロダクト キーを使用する方法について説明します。