The installer will detect your existing SP3 installation and apply the Update 1 patches automatically.
WinCC 7.0 SP3 is not compatible with Windows 10 or Windows 11. You must use a Virtual Machine (VM) running Windows 7 if you are on modern hardware.
Improved communication encryption and user rights management.
You must already have SIMATIC WinCC V7.0 Service Pack 3 (or the ASIA variant) installed before applying this update. Download and Ordering Information
If provided as a download, the update is typically a self-extracting archive. Double-click the .exe to unpack it to a local folder.
| Component | Requirement | | --- | --- | | | WinCC 7.0 SP3 (Asian, European, or US version – must match the language of Update 1) | | Operating System | Windows 7 Professional/Enterprise SP1 (32-bit or 64-bit) or Windows Server 2008 R2 SP1 | | Memory | Minimum 4 GB RAM (8 GB recommended for runtime) | | Hard Disk Space | 3 GB free for update and backup files | | SQL Server | SQL Server 2008 SP3 (WinCC installation includes a specific instance) | | SIMATIC Logon | Version 1.4 or higher (if using central user management) | | Administrator Rights | Local administrator account – not a domain account with delegated rights |