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Siemens distributes ProSave as a free utility to support maintenance of its HMI devices. You do not need a paid license key.
: Due to export control regulations, you must be a registered user on the Siemens SiePortal to access the download. simatic prosave v10 download link
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Avoid third-party mirrors or "crack" sites, as these often contain malware or corrupted installers that can "brick" (permanently damage) expensive industrial hardware. Siemens distributes ProSave as a free utility to