Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

你可以以无线方式将电脑连接到电视、投影仪或支持 Miracast 的其他类型的外部显示器。. 打开电视、投影仪或其他显示器。. 如果你使用的是 Miracast 硬件保护装置或适配器，请确保已将其插入屏幕。. 按 Windows 徽标键 + K ，然后从可用设备列表中选择要强制转换为 ...

Meet Windows 11. Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need. Read on to get to know Windows 11.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Getting started with the new Outlook for Windows The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app. You can tailor it to your style and do more with new Outlook for Windows!

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

XLOOKUP function 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.

Microsoft Edge Here's how to change your home page in the new Microsoft Edge : Open Microsoft Edge, select Settings and more > Settings . Select Appearance. Turn on Show home button. You can either choose New tab page or select Enter URL for a page that you want to use as your home page.

Open Control Panel in Windows. Windows 10. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings . Open Settings.

Learn how to recover files that have been lost, deleted, or accidentally changed.