Special thanks to Daviday
Subscribe to his YouTube
Arjun tried the official Siemens Support site. V11 was archived. SP2 was there—but only the base version. Update 1, Update 2… no Update 3. He called support. “That update,” the tech sighed, “was pulled in 2014. Only existed for six weeks before SP3 dropped. You’ll need a legacy ticket.”
Open your Start Menu > Siemens Automation > TIA Software Updater. Tia Portal V11 Sp2 Update 3 Download