Activating legacy software like Revit 2009 has become significantly more difficult because Autodesk officially discontinued support and the provision of new activation codes for versions 2016 and older as of March 10, 2025. Critical Status Update (2026)
It looks like you’re trying to activate an older version of Autodesk Revit. The information you've listed—the Serial Number (666-69696969) Request Code Activating legacy software like Revit 2009 has become
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