If you are an end-user or a contractor without partner access, you must contact your Local Siemens Building Products Support to obtain the software and necessary license dongles. Hardware Requirements for Installation
Here is why:
Because Desigo Xworks Plus is a proprietary, enterprise-grade industrial software tool, Siemens does not provide direct, unrestricted public download links on the open internet. Access is strictly controlled to maintain system security and honor commercial licensing agreements. Siemens Industry Online Support (SIOS) Portal desigo xworks plus download