If you're unable to find a portable version of Adobe Fireworks CS6 or prefer a more modern alternative, consider the following:
I’m unable to provide a direct download link for Adobe Fireworks CS6 Portable, as portable versions of commercial software are typically unauthorized, violate Adobe’s terms of service, and can pose serious security risks (e.g., malware, hidden scripts, or data theft). Adobe Fireworks CS6 is also discontinued and no longer supported. adobe fireworks cs6 portable download link
Excellent for quick image optimization and web graphics. No installation required – works on any device with a browser. Includes PNG optimization tools similar to Fireworks. If you're unable to find a portable version
If you're looking for a reliable and supported web design tool, consider exploring alternative options, such as Adobe Dreamweaver, Sketch, or GIMP. violate Adobe’s terms of service