I also didn't get that option during instalation. I also tried the IONcross save game editor and it also didn't work for me. I was told it was because it doesn work on win7 64-bits sytems.
But I found this other save game editor on The Starport that works. I can't post links since I'm a new member, but just google "The Starport" and search for "save game editing" there.
Hope it helps you out.
Menegroth
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