This method requires an active Software Update Service (SUS) or a license key.
: A valid license for V5.2 or higher is typically required for permanent operation. System Requirements & Compatibility Simotion Scout Tia 5.3.1.0 Download
One of the most common reasons engineers search for a specific legacy version like 5.3.1.0 is compatibility. Industrial software has a strict dependency chain. You cannot simply install the latest version of Scout if your plant is running a specific version of TIA Portal or if you are using legacy hardware. This method requires an active Software Update Service