If you need help migrating your old design assets, let me know: What you currently use (Windows or macOS?)
If you have your or CS6 disk , I can tell you how to locate the serial number in your Adobe account. Otherwise, I can recommend a free modern alternative that mimics Fireworks' features. What would be most helpful? adobe fireworks cs6 serial number full
These are typically scams or provide numbers that are already blacklisted. If you need help migrating your old design
Since Fireworks is outdated, most professional designers have moved to tools that are faster, more secure, and built for modern web standards: and built for modern web standards: