Are you trying to an old Flash game/file, or are you trying to install the software to create animations?
If you want to create animations or interactive content today, you should look for: Available through the Adobe Creative Cloud . adobe-flash-professional-34-0-0-465-full-version-2023
The specific version string you mentioned ( 34.0.0.465 ) is often associated with the last standalone installers for the Flash Player, but Adobe does not release "2023 Full Versions" of Flash Professional under that name. Are you trying to an old Flash game/file,