It seems like you've shared some information about the Windows 8.1 upgrade process specifically for Windows Surface RT devices. I can provide some additional insights on this upgrade process. Here are a few key points: 1. Windows 8.1 Update for Windows RT Devices: - Windows RT devices, including the Microsoft Surface RT, received an update to Windows RT 8.1, which brought various improvements and features compared to the original Windows RT version. 2. Potential Issues with the Upgrade: - Upgrading Windows RT devices to Windows 8.1 might not always be a smooth process and could lead to errors like boot configuration issues as mentioned in the second source you provided. 3. Troubleshooting Steps: - The second link you shared likely contains a step-by-step guide to troubleshoot and overcome the boot configuration error encountered during the Windows RT 8.1 upgrade process. If you need further assistance or additional information on this topic, feel free to ask!