In order to upgrade from these very old AutoCount program (using Paradox file based database), you have to refer to the following help.
And you can download AutoCount XP and AutoCount Premier 3.5 from the following links:
AutoCount XP: http://cpchoo2000.homelinux.net/downloads/partner_space/accounting/delphi_version/AutoCountXP.exe
AutoCount Premier 3.5: http://cpchoo2000.homelinux.net/downloads/partner_space/accounting/delphi_version/PREMIER35_SETUP.exe