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Can the version of WinCC RT Professional be changed to a lower version?

4/29/2024 8:56 AM	Rate (0)
SS69283 Member Joined: 10/4/2020 Last visit: 4/22/2025 Posts: 26 Rating: (0)	Hi All Greetings ! I want to know that can we change the version of WinCC RT Professional version to downwards ....Please make this clear that i ma not using WinCC Unified PC system. While i tried to change this , it donot worked at all ------------------------------------------------------------------------------------------ Split from How do you change runtime version?. Attachment Change RT Version.png (313 Downloads)
	Last edited by: Jen_Moderator at: 04/29/2024 09:51:00 New subject after splitting
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5/8/2024 11:52 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 4/23/2025 Posts: 15338 Rating: (1894)	Hello SS69283 No this is not possible. In WinCC Professional you can only use the same Device version as you have in your TIa Portal. So in TIA v18 you can also only use a WinCC RT Prof V18 Device. No older/newer Versions possible (its different to WinCC Basic/Comfort/Advanced/Unified) Bye Murof
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5/14/2024 10:37 AM	Rate (0)
SS69283 Member Joined: 10/4/2020 Last visit: 4/22/2025 Posts: 26 Rating: (0)	Exactly same observed ! thanks for your support sir

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