, consider using a standalone Flash Player projector (available from Adobe's official archive) or an emulator like Ruffle (open-source, modern, and safe).
Flash Player 11.5.0, released in late 2012, was a major milestone for the web, introducing features like and ActionScript workers to help developers create more complex, multi-threaded games and apps. download adobe flash player version 11.5.0 offline installer
Ruffle is a Rust-based emulator that runs Flash without the original plugin. It is safer and often better. But it does not support ActionScript 3 fully – so some advanced SWFs from 2012 (which 11.5.0 targeted) may fail. , consider using a standalone Flash Player projector