Read the Readme.txt file in the Crack folder.
The Business version has more features than the Pro version.
Version 11.5.3 was installed and successfully activated on Windows 10 64-bit edition.
Download EssentialPIM Pro Business 12.2.1 Multilingual
Download EssentialPIM Pro Business 11.8.4 Multilingual
Download EssentialPIM Pro Business 11.5.3 Multilingual
Download EssentialPIM Pro Business 11.6.5 Multilingual Portable