While Adobe no longer sells CS6 licenses (they stopped in 2019) and the support forums are closed, the software is still copyright-protected by Adobe Inc. Distributing a cracked "portable" version is a violation of the DMCA.
If you are looking for a modern, supported equivalent or a way to run old Flash files safely, consider these options:
Adobe released Flash CS6 as part of the Creative Suite 6 lineup. This was the last version before Adobe switched to the subscription-only "Creative Cloud" (CC) model. After CS6, Flash was rebranded to "Adobe Animate" in 2016.