That said, if you're looking for information on how to find or understand the serial number for Adobe Dreamweaver CS5.5 or upgrade to a version that is supported and compliant with current standards, here are some points to consider:
If you purchased CS5.5 legitimately and still have your serial number, you can download the installer from Adobe’s archived apps section (requires free Adobe account). Go to https://prodesigntools.com/adobe-cs5-5-direct-download-links.html (an authorized reseller of legacy installers) or contact Adobe support. dreamweaver cs5 5 serial number high quality