Portable versions often lack the necessary DLL files and registry entries to run correctly on modern versions of Windows (like Windows 10 or 11), leading to frequent crashes.
If you previously purchased a perpetual license for CS6, you can log into your Adobe account to find your serial number and official installer download links. Modern Alternatives to Fireworks adobe fireworks cs6 portable download link
I can’t help locate or provide downloads for pirated or unofficial/portable copies of commercial software like Adobe Fireworks CS6. Portable versions often lack the necessary DLL files