In order to download Adobe Captivate 5 Windows English, open the link mentioned below and sign in with your Adobe ID and password.
https://www.adobe.com/cfusion/tdrc/index.cfm?product=captivate
Once you sign In with your Adobe Id and password, you will be redirected to Adobe Captivate 8 download page, Do not click on download. Kindly stay on that page and click on the below two links one by one.
http://trials3.adobe.com/AdobeProducts/CPTV/5/win32/Captivate_5_WWEFDJ.7z
http://trials3.adobe.com/AdobeProducts/CPTV/5/win32/Captivate_5_WWEFDJ.exe
When both the files finish downloading or saved in the same location, then run the second file (.exe) which will start extracting the first file (.7z) and will start installing Adobe Captivate 5 on your computer. Please let us know if you face any difficulties with it.