A system reboot is mandatory after the installation finishes to initialize new registry settings and drivers. Common Issues & Troubleshooting
It is worth noting that after Update 1, Siemens released and Update 3 for WinCC 7.0 SP3. If you are downloading an update, check if you should skip straight to Update 3. Wincc 7.0 Sp3 Update 1 Download
Direct downloads for WinCC V7.0 SP3 Update 1 are generally not available as public web links because this software is a licensed commercial product. According to official Siemens support documentation, Service Packs and certain updates are considered independent products that must be ordered via DVD or through specific service agreements. Key Download & Ordering Information Ordering Status A system reboot is mandatory after the installation
Follow these steps to ensure a clean installation of the update: Wincc 7.0 Sp3 Update 1 Download