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 download and install Windows 10 updates and firmware updates to fix a security vulnerability in certain TPM chipsets. You also need to clear your TPM after updating.

Download a recovery image to restore your Surface device to its factory state. Learn how to use Windows recovery info, format your USB drive, and sign in with your Microsoft account.

Learn how to use PC Health Check app to check your device health, battery capacity, storage capacity, startup time, and Windows 11 eligibility. Find out how to install, update, and troubleshoot the app.

Learn how to get a refund for digital game products purchased on Xbox consoles, PC, or mobile devices. Find out the eligibility criteria, guidelines, and resources for refund requests.

Learn how to check for and install updates for Windows 11 and Windows 10 manually or automatically. Find answers to common questions and troubleshoot problems with Windows Update.

Learn how to update your controller wirelessly, with a USB cable, or on a PC using the Xbox Accessories app. The app lets you customize the Xbox Elite Wireless Controller Series 2 and check for new updates.

Learn how to check and enable TPM 2.0, a security feature required for Windows 11, on your PC via UEFI BIOS (firmware) settings. Find links to PC manufacturer's support information and other Windows 11 system requirements.

Learn how to get the new features in Windows 10, version 20H2 through a monthly quality update for Windows 10, version 2004. The enablement package is a small, quick-to-install “master switch” that activates the Windows 10, version 20H2 features.

Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.