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--- rhino:installingrhino:5:validation_fails [2025/10/08]
maryfugier [Microsoft Recommendations]
+++ rhino:installingrhino:5:validation_fails [2025/10/17] (current)
maryfugier [Microsoft Recommendations]
@@ Line 1: / Line 1: @@
 ====== Rhino 5 Validation Fails On Windows 11 ======
 ===== Background: =====
-Rhino 5 Windows was developed and tested on Windows 8 and Windows 10. These are the only supported operating system. See other [[https://www.rhino3d.com/5/system-requirements/|system requirements]] for Rhino 5.
+Rhino 5 for Windows was developed and tested on Windows 8 and Windows 10. These are the only supported operating systems. See our other [[https://www.rhino3d.com/5/system-requirements/|system requirements]] for Rhino 5.
-Rhino 5 Windows is was not developed for Windows 11 and therefore it is not supported. However it does work with earlier version of Windows 11 24H2 for many Rhino 5 users, but not all.
+Rhino 5 for Windows was not developed for Windows 11, and therefore, it is **not supported**. However, Rhino 5 can possibly work with earlier versions of Windows 11 24H2, according to some customers--//but not all.//
 ===== Windows 11 25H2: =====
-In the Fall of 2025 when the Windows 11 25H2 shipped on new computers, Rhino 5 Windows customers reported more issues validating Rhino 5, specifically reaching the Rhino validation server. Basically, it is considered a security risk.
+In the Fall of 2025, when Windows 11 25H2 shipped to new computers, Rhino 5 for Windows customers reported increased validation problems with Rhino 5, specifically not being able to reach our Rhino validation server. Basically, Rhino 5 on Windows 11 is considered a security risk.
-//The internet standards and regulatory bodies have deprecated or are not allowing the TLS versions 1.0 and 1.1 due to several security issues. Microsoft has stated that support for legacy TLS versions 1.0 and 1.1 may be removed completely in the future.//
+//The internet standards & regulatory bodies have deprecated or are not allowing the TLS versions 1.0 and 1.1 due to several security issues. Microsoft has stated that support for legacy TLS versions 1.0 and 1.1 may be removed completely in the future.//
 ===== The Issue =====
-With the new Windows 11 25H2 security update, Rhino 5 can not reach the validation server, so it can not get a validation code.
+With Windows 11's 25H2 security update, Rhino 5 can not reach our Rhino validation server, so it can not get a validation code.
-If the customer has the earlier version of Windows 11 24H2, install and validated Rhino 5, then upgraded to Windows 11 25H2, Rhino 5 runs since it already has a the been give the validation code and the license files were already created.
+If a customer has an earlier version of Windows 11 24H2, with Rhino 5 installed & validated, then they upgrade to Windows 11 25H2, Rhino 5 runs since it already has been given the validation code and the license files have already been created.
-**Rhino 5 customers with a with Windows 11 25H2, will not be able to validate Rhino 5.**
+**Rhino 5 customers with computers using Windows 11 25H2 or later, will //not// be able to validate Rhino 5.**
 ===== Rhino Workaround: Offline Validation =====
-If the Rhino 5 validation fails on Windows 11, you will need to to use the offline validation.
+If Rhino 5 fails to validates on Windows 11, you are welcome to try using our offline validation method. However, we are no longer recommending or supporting this for Rhino 5 on Windwos 11 operating systems.
-The details are [[https://wiki.mcneel.com/rhino/installingrhino/6/offline|here]].
+**The details are [[https://wiki.mcneel.com/rhino/installingrhino/6/offline|here]].**
-With the offline validation you will:
+With an offline validation you will:
-. Only get one offline validation for one computer
+  *  Only get one offline validation per computer
-. Be required to call McNeel Sales department to manually ignore or remove the offline validation before installing on another computer
+  *  Be required to call McNeel's Sales Department //sales@mcneel.com// to manually ignore or remove the offline validation before installing Rhino 5 on another computer.
 ===== Microsoft Recommendations =====
-Microsoft offers registry keys workarounds [[https://learn.microsoft.com/en-us/windows/win32/secauthn/tls-10-11-deprecation-in-windows|here]].
+Microsoft offers registry key workarounds [[https://learn.microsoft.com/en-us/windows/win32/secauthn/tls-10-11-deprecation-in-windows|here]].
 We have been unsuccessful getting these to work on a couple customers' computers.
-Let us know by emailing tech@mcneel.com, if these suggestions work for you.
-//MAF 10/8/2025//
+Let us know by emailing //tech@mcneel.com//, if these suggestions work for you.
+//MAF/SF Last edit:10/8/2025//

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