V5.3 includes a robust library of support packages for hardware manufactured between 2018 and 2020. How to Download Siemens Starter V5.3
Before proceeding with the download, ensure your PC meets these requirements: Siemens Starter V5.3 Download
thx. *edit* V5.3 was available for windows 7 too. https://support.industry.siemens.com/cs/document/109769755/delivery-release-for- Siemens SiePortal Siemens Starter V5.3 Download