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Understanding SIMATIC WinCC V7.5: Legitimate Downloads and Industrial Security
: Official "patches" (updates) are released regularly to address bugs and security vulnerabilities. For example, Update 2 (04/2021) and subsequent versions are available as self-extracting archives for licensed users.
: To download upgrades like SP2, users must typically provide their valid license number (RT, RC, or Client) from the Automation License Manager (ALM) . 3. The Dangers of "Patched" or Cracked Software