Learn how to find your Windows product key for activation or when to use a digital license instead.

下面是如何使用 VLOOKUP 的示例。 =VLOOKUP(B2,C2:E7,3,TRUE) 在此示例中，B2 是第一个 参数，即函数运行所需的数据元素。VLOOKUP 第一个参数是要查找的值。 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。

Note: the website or application you're trying to sign into must support passkeys in order for them to work.The good news is that the industry is quickly adopting passkeys as an authentication mechanism, so more and more websites and applications are beginning to offer this feature.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。 如果出现此屏幕，则 Microsoft 365 安装为 Microsoft 365 家庭版 试用版 如果登录到新设备上预安装的 Microsoft 365，但没有与帐户关联的 Microsoft 365 产品，则将看到此屏幕。

Here's how to turn Bluetooth on or off in Windows 11: Do one of the following: On the taskbar, select the Network icon. Select the Bluetooth quick setting to turn it On or Off.

Nota: Si has iniciado sesión con una cuenta de Microsoft, como una cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN, en lugar de con tu cuenta profesional o educativa, cierra sesión y, a continuación, vuelve a iniciarla con la cuenta correcta.¿No estás seguro de con qué cuenta has iniciado sesión? Seleccione Administrador de cuentas en el encabezado de navegación de ...

To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.

With Word for the web running in your web browser, you can: Create documents to add and format text, images, and page layouts.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.