Because portable apps are sandboxed, you can run Macromedia Flash 8 Portable alongside Adobe Animate 2024, or even Flash MX 2004 Portable, without any DLL conflicts. This is impossible with installed versions.
Yes, it is old. Yes, it is legally grey. And yes, it will never be updated. But in an era of bloated subscription software and ephemeral cloud apps, having a 50-megabyte animation powerhouse that fits on a USB stick is a rare and beautiful thing. macromedia flash 8 portable