The honest answer: However, if you are determined to proceed for archival/educational use, follow these safety protocols:
Adobe’s official installer for CS6 is available via the (under "Previous Versions") for licensed users. Do not use "portable" repacks. Adobe Flash Cs6 Portable Download
This article is for educational purposes only. Downloading copyrighted software without a license is illegal. The author does not condone piracy and strongly recommends using current, supported software alternatives. The honest answer: However, if you are determined