Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。
August 13, 2024—KB5041585 (OS Builds 22621.4037 and 22631.4037 ...
Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
Activar Windows - Soporte técnico de Microsoft
Si estás instalando Windows en un nuevo dispositivo o placa base por primera vez y no tienes una clave de producto, selecciona No tengo una clave de producto durante las pantallas de instalación. Cuando se le solicite, escriba la cuenta de Microsoft que desea usar para comprar una licencia digital para este dispositivo.
Troubleshooting verification code issues - Microsoft Support
When you see a message asking you to make sure you can receive a verification code, verify or add new security info. You can skip it for 24 hours at a time, but after seven days from the first notice you'll have to verify or add new security info before you can sign in again.
Applies To: Microsoft account dashboard
Screen mirroring and projecting to your PC or wireless display
Note: The Wireless Display app is available on devices running Windows 11, version 22H2 and later.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?
What's new in Office 2024 and Office LTSC 2024 - Microsoft Support
If you have a subscription through a Microsoft 365 (or Office 365) plan, that's separate from Office 2024 or Office LTSC 2024. For example, if you are already using Microsoft 365 or if your organization deployed Microsoft 365 Apps for enterprise to the users in your organization, you don't need Office 2024 or Office LTSC 2024.
Applies To: Office 2024, Office 2024 for Mac