Yes – in demo mode with runtime restarts every 30-60 minutes. Not suitable for permanent operation.
To explore the software's capabilities without a full installation, you can download official WinCC V7.3 Demo Projects (approx. 1 GB) to see pre-configured SCADA environments. siemens wincc 73 download free
Through (Siemens’ digital learning portal), you can get virtual training environments that include WinCC for hands-on labs. Yes – in demo mode with runtime restarts