: Siemens currently only provides Service Packs and Updates (e.g., SP1a or SP3 for V6.0 ) on their Industry Online Support (SIOS) portal.
ProTool is a discontinued legacy Siemens HMI configuration software used for older SIMATIC Panels. While the full software is no longer available as a direct free download from Siemens, certain updates and service packs can still be accessed for users who already own the base installation. Software Availability & Legality protool siemens download free