If you proceed, this is a general process for many unofficial "green" editions:
Flash CS6 Portable is a modified version of the original Adobe Flash Professional CS6 software, designed to run without a traditional installation process. Unlike the full installer, which writes files to the system registry, DLLs, and various application folders, the portable version is self-contained in a single folder or executable file. Flash Cs6 Portable
You can download Adobe Flash CS6 Portable from various online sources. However, please ensure you download from a reputable website to avoid any potential malware or viruses. If you proceed, this is a general process