Learn how to find your BitLocker recovery key in Windows.

The Xbox Offline System Update (OSU) process allows you to update your console by downloading a file to a USB flash drive and then installing that file directly onto your Xbox Series X|S or Xbox One console. To use the Offline System Update, you'll need:

On rare occasions, you may experience issues while installing an Xbox game to your PC or handheld device. Listed below are a set of recommendations that can help alleviate any issues you may run into. Did this resolve the issue? Still need help? Accessible help and resources to get your Xbox questions answered.

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To register or request a repair for your Xbox Series X|S or Xbox One console, you need to know the serial number. You may also need to know the console ID or device ID. Did this resolve the issue? Still need help? Chat online or request a call if available.

Learn about system updates for the Xbox One operating system and find out what was updated or added in 2019.

Learn how to revert the firmware on an Xbox controller if you’re experiencing Bluetooth connection issues.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.

We are currently not aware of any issues with this update. This package includes monthly updates and fixes to the Microsoft Defender antimalware platform and engine that is used by Microsoft Defender Antivirus in Windows 11. This package should be applied offline on Windows Images/VHD (x) file.

To learn how to activate using a product key, follow the steps at Activate using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key.