Learn how to use a USB flash drive or DVD to install or reinstall Windows 10, 8.1, 7, or 11. Find the software download website, product key, and recovery options.

Learn how to cast or mirror another device's screen to your Windows PC using Miracast. Follow the steps to install the Wireless Display app, connect to a wireless display, and add Cast to your quick settings.

Learn how to use the PC Health Check app or manual steps to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how the upgrade offer is based on various factors and how to refresh the assessment.

Learn how to fix errors in your Outlook mail profile that prevent you from connecting to your email. Follow the steps to repair your profile, run Windows Update, or use the Microsoft Support and Recovery Assistant.

Learn how to upgrade to Windows 11 from Windows 10 using Windows Update, Installation Assistant, or installation media. Note that some features and apps require higher system requirements than the minimum.

Learn how to download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Find out the system requirements, product keys, activation steps, and troubleshooting tips.

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.

Learn how to switch to the new Microsoft Edge browser from Internet Explorer or Microsoft Edge Legacy for faster, more secure, and smarter browsing. Find out how to download, install, import data, customize, and sync across devices.

Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface, and more. Sign in to get personalized help and access live chat with a Microsoft specialist.

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。