Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

使用近似匹配搜索 a 列中的值 1，在 a 列中找到小于等于 1 的最大值 0.946，然后返回同一行中 b 列的值。 2.17 =vlookup(1,a2:c10,3,true) 使用近似匹配搜索 a 列中的值 1，在 a 列中找到小于等于 1 的最大值 0.946，然后返回同一行中 c 列的值。 100 =vlookup(0.7,a2:c10,3,false)

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

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.

Notas: Tu contraseña de Hotmail o Outlook.com es la misma que la contraseña de tu cuenta de Microsoft. Si puedes iniciar sesión pero tienes problemas con Outlook.com, comprueba el estado del servicio.Si el estado no se muestra de color verde, espera a que el servicio funcione con normalidad y vuelve a intentarlo.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements.Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.Find Windows 11 specs, features, and computer requirements