I have the CIVA151 (32bit) and CIVA160x64 (64bit).
As far as I can remember, if your OS is 64bit you will need to use the CIVA 160x64, otherwise, CIVA 151 will work fine.

I have uploaded them to Google Drive, so here are links for both:

CIVA 151 - https://drive.google.com/file/d/1XzcIFswy6t6TGcO556C9yrRXdvR_ldwg/view?usp=sharing

CIVA 160x64 - https://drive.google.com/file/d/1CtsyhtZteSarJDUnNAB1hJ0e4XuujKUc/view?usp=sharing


NOTE. I am not the creator of these files! I am simply sharing the ones I downloaded from SimuFly a long time ago.