If you still need to use Flash Player v9.0.246 or higher, follow these best practices to minimize security risks:
Since Adobe decommissioned its official archives, the Internet Archive (Archive.org) is the safest repository for specific historical versions. flash player v9.0.246 or higher download
Chrome, Firefox, and Safari have permanently removed Flash code. 📜 Historical Overview: Flash Player 9 If you still need to use Flash Player v9