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
If you have an active Creative Cloud "All Apps" subscription, you can sometimes find Fireworks CS6 listed under the "Other Versions" section in the Creative Cloud Desktop app (though availability depends on your OS compatibility). adobe fireworks cs6 portable download link
Below is an in-depth look at why Fireworks CS6 is still discussed, the dangers of portable versions, and the legitimate ways to access this software. The Legacy of Adobe Fireworks CS6 If you previously purchased a perpetual license for