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As of May 2013, Adobe is no longer actively developing Fireworks. However, you can still install a previous version from within the Creative Cloud desktop app by checking "Show Older Apps" under Preferences > Apps.
For a detailed guide, please see this page: https://helpx.adobe.com/creative-cloud/kb/why-has-adobe-stopped-developing-my-app-.html
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By way of update, I finally got tired enough of FW's randomly crashing on Win10 that I canceled my CC subscription. Actually, I just let it expire because it was due for renewal anyway, so there was no early-cancellation drama. Nonetheless, uninstalling FW felt like pulling the plug on an old friend's life-support.
There was no way, however, that I was going to fork over another USD $600.00 for another year of Adobe doing absolutely NOTHING to maintain what was, for me, my main reason for keeping the subscription. Adobe hasn't touched FW since 2012, so I've already paid them roughly USD $3,600.00 to do absolutely NOTHING for the past six years. I know mafiosi who would envy that arrangement.
I'd spent the last month or so of my subscription exporting the PNGs that I thought I might someday need to modify. I exported them to multiple formats and layers so I can re-create them if I need to using other software. It will still be a chore, but it will be doable. I also resurrected an old laptop with a licensed FW 8 installed on it that can at least open most of the PNGs and export the layers, if need be. Many of them were created with FW 8, anyway, so it's a fallback option.
By way of replacement software, I've chosen Affinity Photo and Affinity Design. Neither will open Adobe's multi-layered PNGs except in flattened form; but other than that, they're extraordinary and amazingly affordable pieces of software that grow on me more and more every day I use them. Basically, the combination of Affinity Designer / Affinity Photo replaces many of the functions of Fireworks, Photoshop, and Illustrator. They're not necessarily drop-in replacements for people who use those programs full-time, but they're extremely competent alternatives for people like me who do graphics editing as a small part of some bigger creative endeavor (in my case, building Web sites).
Evaluated on their own without comparison to other software, Affinity Photo and Affinity Design are both splendid applications in their own rights (especially considering how inexpensive they are). They also offer free trials and are sold outright with perpetual licenses. If you're pondering switching graphics software, I think you'd be silly not to give them a try. There's literally nothing to lose.
My advice, which I followed myself, is to start exporting your FW PNGs to other formats, and start using something other than FW for new work if you haven't already. Adobe's made it quite clear that they have no interest in maintaining FW even in terms of platform compatibility. It's already crashy on Win10, and someday it will stop working altogether. I suggest that people start preparing for that day now by exporting their projects and investigating new software to use for new products.
I loved FW for many years. I consider it the best thing that Macromedia ever built, and losing it feels like losing an old friend. 
But Adobe has made it quite clear that they intend to let Fireworks die a slow, agonizing death. As much as I loved it, using Fireworks for new projects would be foolhardy.
Richard
Hello
you can download it from here, but will need a serial to use it.
Download Adobe CS6 Trials: Direct Links (no Assistant or Manager) | ProDesignTools
If you try this link read the page carefully as a cookie needs to be set for server access, otherwise the Adobe server won't let you in.
Depending on your CC subscription you might have access to it under the 'Additional Apps' section of the Desktop Application. I have access to the entire suite of CC programs and so am not entirely sure that everyone will have access to Fireworks with say the Photographic Plan, but you can but look. If you do have access it doesn't require a serial.
Hello there,
the link I gave at least still works for me
http://prodesigntools.com/adobe-cs6-direct-download-links.html
I tried the PC links and the Mac links and all give a download. Are you sure you are following the instructions at Prodesign Tool? To get downloads to work you need to have a cookie set by clicking on a link. The link is on the page I have given you. I've highlighted it below.You must use that link or a server access denied error will occur. Clicking the link opens a brand new window but you do nothing there as the cookie is set , all you do is switch back to the download window which will still be open and click on your Fireworks download. Maybe your browser is set not to allow cookies?
As you can see it gives a download at least on 26th July, 2017
I'm using the Windows 10 Edge browser but I'm sure it will work with others
Terri
Fireworks is one of the best apps, and have been using it since Macromedia days, it is an exceptional comping tool, and for production.
Very powerful user friendly. It is a complete mind-f*rk that they are canning it, and not releasing it to open source.
As of Sept 2017, If you are using Adobe Creative Cloud, like i am (I reinstalled my MacBook Pro with High Sierra OS X 10.13) and Adobe Fireworks CS6 didn't show up in the apps list !!
However after some delving you can still download and access it by doing the following from the Creative Cloud installer dialogue box from the Finder Menu:
I freaked out that I couldn't download it again!
Anyhow - hope this helps, and you guys find this a suitable solution as well.
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