Learn how to create a USB flash drive or DVD to install or reinstall Windows 11, 10, 8.1, or 7. You'll need a reliable internet connection, a blank storage device, and a product key (if applicable).

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 the Wireless Display app and connect to a wireless display.

Learn how to use the PC Health Check app or the Microsoft Compatibility Appraiser task to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how to refresh the eligibility assessment and what factors affect the upgrade offer.

Learn how to download and install Microsoft 365 or Office 2021 on a PC or Mac with a Microsoft account, work or school account. Find out how to activate, change versions, and troubleshoot common issues.

Learn how to use Microsoft Word 2002 to create, open, and modify HTML documents. Follow the step-by-step guide with screenshots and examples of text, hyperlinks, and images.

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 the default search engine in Microsoft Edge to any site that uses OpenSearch technology. Follow the steps to select your preferred search engine from the menu or add a new one.

Learn how to download and use the Office offline installer to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your PC. Follow the steps for your plan and activate Office after installation.

Learn how to activate Microsoft 365 or a non-subscription version of Office on your device. Find troubleshooting tips for common activation errors and product keys.

Find solutions to common problems, or get help from a support agent. Sign in to select the product you need help with, or browse the list of products and services offered by Microsoft.