Create installation media for Windows - Microsoft Support
Learn how to use a USB flash drive or DVD to install or reinstall Windows 7, 8.1, 10, or 11. Find the software download website, product key, and recovery options for your version of Windows.
National Public Data breach: What you need to know
Learn about the data breach of National Public Data, an online background check and fraud prevention service, that exposed up to 2.9 billion records of personal data. Find out the risks, the steps to protect yourself, and the benefits of Microsoft Defender for Individuals.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Receive Remote Assistance Support from Microsoft
Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection.Protect yourself from tech support scams.
Windows 11, version 24H2 update history - Microsoft Support
Learn about the features, enhancements, and known issues of Windows 11, version 24H2, the latest feature update for Windows 11. Find out how to get the update and troubleshoot any problems with Windows 11 installation or activation.
Screen mirroring and projecting to your PC or wireless display
Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install and use the Wireless Display app or the Connect app.
All about Xbox Game Pass Conversions
Xbox Game Pass Core conversion ratio: Any remaining time will convert to Xbox Game Pass Ultimate time at a ratio of 2:1 and be rounded up to the next full day.For example, 90 days remaining of Xbox Game Pass Core will convert to 45 days of Xbox Game Pass Ultimate time.
Using IF with AND, OR, and NOT functions in Excel
Learn how to use the IF function with AND, OR, and NOT functions to test multiple conditions and return values in Excel. See examples, formulas, and tips for conditional formatting with these functions.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel Web App, Excel for Windows Phone 10
Fix Bluetooth problems in Windows - Microsoft Support
Learn how to turn on Bluetooth and troubleshoot common issues with Bluetooth devices and accessories in Windows 11 and Windows 10. Find out how to check your product information, Bluetooth settings, and drivers.
手机连接要求和设置 - Microsoft 支持
系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，你可以使用预安装在设备上的连接至 Windows 应用或可从 Google Play 或 Samsung Galaxy Store 下载的连接至 Windows 连接到选择 Android、Samsung、HONOR、OPPO、ASUS 和vivo体设备。