Captivate 6 Trial Version

Keep in mind that your serial number is specific to one version type or another. You cannot use a Mac serial number on a Windows install or vice versa. You may need to right-click the links and open them in a new tab for them to work. You need to be logged in to a free Adobe account for these links to work but here is what you need:

If you are using a Mac:

http://esd.adobe.com/AdobeProducts/CPTV/6/osx10/Captivate_6_LS12.dmg

If you are using a 64 bit Windows machine:

http://esd.adobe.com/AdobeProducts/CPTV/6/win64/Captivate_6_x64_LS12.exe

http://esd.adobe.com/AdobeProducts/CPTV/6/win64/Captivate_6_x64_LS12.7z

If you are using a 32 bit Windows machine:

http://esd.adobe.com/AdobeProducts/CPTV/6/win32/Captivate_6_LS12.exe

http://esd.adobe.com/AdobeProducts/CPTV/6/win32/Captivate_6_LS12.7z

Moving to Adobe Captivate​

You need to be signed-in with your Adobe ID when using Pro design downloads otherwise access is denied.

If you are signed-in to this forum try copying and pasting the download link into the forum browser page.

I think v6 is an older version. See if this blog link helps:

Rapid eLearning | Adobe Captivate Blog