Shockwave has a history of unpatched vulnerabilities. Experts have warned that it contains "architecturally flawed" components that can serve as a backdoor for exploits. Support Status: Discontinued. Adobe officially ended all support for Shockwave Player on April 9, 2019 . There are no further security updates or bug fixes. Compatibility: Poor.
. While the official product has been discontinued and is no longer available from the manufacturer, understanding its history is essential for digital preservation and legacy software research. Adobe Help Center Historical Significance of Version 8.5 Shockwave Player 8.5 Free Download
You must have administrative rights and disable any modern antivirus temporarily (it may quarantine the old installer). Shockwave has a history of unpatched vulnerabilities