Learn how to uninstall or remove apps and programs in Windows 10 or 11 using different methods. Find tips and troubleshooters for common issues and errors.

Learn how to find your BitLocker recovery key, a 48-digit number needed to unlock an encrypted drive in Windows. The recovery key can be attached to your Microsoft account, work or school account, printout, or USB flash drive.

Learn how to check for and install updates for Windows 10 and Windows 11 automatically or manually. Find troubleshooting tips, activation help, and FAQs for Windows Update.

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 recover your Microsoft account password if you know your username but not your password. Follow the steps to verify your identity, get a verification code, and create a new password.

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 locate your 25-character product key or digital license for Windows 10, Windows 11, Windows 8.1, or Windows 7. See where to find the product key on your device, box, or sticker, or how to contact the manufacturer if you've lost it.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to locate your downloaded files on your PC using File Explorer or your browser settings. Select File Explorer from the taskbar, or press the Windows logo key + E, and go to Quick access or This PC.

Learn how to use a scanner and the Windows Scan app to save files to your PC as JPEG, bitmap, or PNG. Find out how to install and use a scanner in Windows 11 or Windows 10.