Windows 10/11 will attempt to install the newer, time-bombed Flash Player 32. You must prevent this:
While I cannot provide a direct executable link due to security protocols and the discontinued status of the software, the archival community has preserved these files. Flash Player V9.0.246 Offline Download
The Trusted Source: Your safest bet is the Internet Archive (archive.org). Windows 10/11 will attempt to install the newer,
Alternative: Modern Alternatives If your goal is to play old games rather than specifically running version 9.0.246, do not install the old plugin. Alternative: Modern Alternatives If your goal is to
Solution: Completely uninstall existing Flash using the official Adobe Flash Player Uninstaller (uninstall_flash_player.exe). Reboot, then run the 9.0.246 installer.
Despite its age, version 9.0.246 is still actively used in niche scenarios.