ZYG-70.ZIP should include the following files.

Zygote.exe .................................Main program
Zygote.ovr .................................Overlay file
Zygote.cmd .................................Data file
Zygote.dmd .................................Data file
Zygote.wtd .................................Data file
Zygote.doc .................................The documentation
Zygote.opn .................................Opening screen
Zygote.hlp .................................Help screen
Zygote.end .................................Closing screen
Dirconv.exe ................................Convert your old directory file
Runtime.exe ................................Explains runtime error code
Encrypt.exe ................................Encrypt messages offline
Z_area2.dat ................................Data for city locator feature
Z_area3.dat ................................Data for city locator feature
Z_area4.dat ................................Data for city locator feature
Z_area5.dat ................................Data for city locator feature
Z_area6.dat ................................Data for city locator feature
Z_area7.dat ................................Data for city locator feature
Z_area8.dat ................................Data for city locator feature
Z_area9.dat ................................Data for city locator feature
Contact.txt ................................Author's addresses
Content.txt ................................This file
Register.txt ...............................Registration form
Readme.1st .................................The first file you should read