: Tools like VMware or VirtualBox allow you to create a virtual machine (VM) on a USB drive, which can run a licensed version of Windows and Adobe Flash CS6, essentially making a portable version. This requires purchasing Windows and Adobe Flash CS6.
The most straightforward and legal way to work with tools similar to Adobe Flash CS6 is through Adobe's official channels. Adobe has transitioned from Flash to HTML5 and offers Adobe Animate as part of its Creative Cloud suite. For those looking for free or more portable solutions, exploring open-source alternatives or software with free trials may provide a suitable path forward.
For those still working within the AS3 ecosystem, CS6 offers a stable, familiar IDE. Understanding the "Portable" Format
Confirming that the ActionScript 3.0 engine and timeline tools work as intended. Features of Flash CS6