: Updates are typically split into a small .exe loader and a larger .001 data file (e.g., Update 2 consists of a 4.2 MB .exe and an 850.3 MB .001 file).
If you are upgrading from an earlier version of WinCC, follow these steps:
due to alarm acknowledgment issues; users should ensure they are on Update 11 or higher. Download and Installation Steps
Visit the Siemens Industry Online Support website. The specific page is usually under the Service & Support section.