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 use HTML format for your email messages in Outlook, which supports various fonts, colors, and pictures. Find out how to switch to HTML format for new, replied, or forwarded messages, and how to change the default format settings.

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.

Learn about the data breach that exposed over 2.7 billion records of personal data of nearly 170 million people in early 2024. Find out the risks, recommended actions, and how to use Microsoft Defender for identity theft monitoring and protection.

Learn how to use 25-character codes to make Xbox purchases and extend your Xbox subscriptions. Follow the instructions for different devices and platforms, such as Xbox, PC, mobile, and Microsoft Store.

Learn how to use the PC Health Check app to see if your device meets the system requirements for Windows 11 after changing hardware. Find out how to manually refresh the eligibility assessment and troubleshoot issues with the app.

Learn how to troubleshoot sound or audio issues in Windows 11 or Windows 10 with step-by-step instructions and tips. Check your speaker output, run the audio troubleshooter, update or uninstall your audio driver, and more.

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.

Hotmail is now Outlook.com, but you can still access your email account with the same username and password. Learn how to sign in, troubleshoot common issues, and get help with Outlook.com features and services.

Find out how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Follow the steps to sign in, choose your language and bit version, and activate your product.