Learn how to use PC Health Check app to check your device compatibility, performance, and troubleshoot issues for Windows 11 upgrade. Find out how to install, update, and access the app features and tips.

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

Learn how to activate Windows 11 using a digital license or a 25-character product key. Find out how to check your activation status, link your Microsoft account, and troubleshoot activation issues.

Learn how to upgrade your Windows 10 PC to Windows 11 for free, what are the benefits and requirements, and how to prepare for the installation. Find answers to common questions and get help from Microsoft communities.

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 codecs let you play different formats of audio and video files in Media Player. Find out which codecs are included with Windows and which ones you can install from the Microsoft Store.

Learn how to reinstall Windows 11 using installation media, such as a USB drive, SD card, or external hard drive. Compare different options and requirements for resetting, reinstalling, or cleaning your PC.

Learn how to speed up your PC with Windows 11 or Windows 10 by updating, restarting, using ReadyBoost, managing page file size, freeing up space, and more. Find out how to check for updates, use Storage Sense, delete temporary files, and troubleshoot apps.

Learn how to activate Microsoft 365 or a non-subscription version of Office using a product key, a Microsoft account, or a trial. Troubleshoot activation errors and get help with Office.com/setup.

Learn how to get the most out of Microsoft Rewards by searching with Bing, using Edge, engaging with Xbox, and more. Find out the best practices, account policies, and types of rewards you can redeem your points for.