You can use a Hex editor(like xvi32 or Hex Editor Neo) or a disassembler (like CheatEngine or IDA) to edit the .exe .
But, you'll need some assembly knowledge to edit the .exe properly.
Taichi San's quickpatcher was just a tool to apply Hex editing patches. You can e-mail her (her e-mail address is in her profile) if you want that tool...
The Portuguese Civ Mod III - Download at the Blacksmith
A mod that adds new civilizations, a new age, a new resource and introduces new gameplay features!
2nd place as Best Mod Pack in AoKH GOTY 2013 (PCM I) | 1st place as Best Mod Pack in AoKH GOTY 2015 (PCM II) | 2nd place as Best Mod Pack in AoKH GOTY 2017 (PCM III)
"And he that sat upon the throne said, Behold, I make all things new. And he said unto me, Write: for these words are true and faithful." - Revelation 21:5 (KJV)