I was able to both install and run Byzantine : the Betrayal on Windows 10 and virtualized Windows XP. I was able, eventually, to deal with the two timed sequences so far and to get as far as about a half of the game, but now I have encountered a series of unfortunate, bizarre events or bugs :
I got as far as to the virtual simulation of the Topkapi palace, room two and three. There is a fountain in the room two (I even hear the running water) and a table with a puzzle in the third room, but I am unable to get a detailed view of the each puzzle (as seen in let's plays on the YouTube. Sometimes the game shows an error message about missing files and then crashes.
This appeared several times. I have created a save, after the save is restored, I still have the virtual reality overlay, but the background belongs to another location, from the real world to boot (outside of the mosque).
The first version were ISO files downloaded online. I own the original CDs as well but use the images due to the slow loading times of each scene or clip. All the data are additionaly copied to the HDD
The second iteration is a clean install from the physical, original media
The third iteration is the virtual win xp, clean installation from the images without any additional data.
Each iteration has a copy of the original saves.
I have attempted to load several of the older saves and to do things in a different order, just the necessary steps to get forward, but I am unable even to leave the first virtual reality room. That is, the clickable elements are still there (as evidenced by the changed text overlay and the sounds, but the image of the room remains static (I am still able to look around or even blindly enter the third room but nothing else).
Sadly, I was unable to find any saved games from anyone else online...
I will try to delete /remove the saves and try with older ones still... I really hope I won't have to play it from the beginning...
I will also try my luck with the laptop of my wife who still has win 7, but other than that...
I am looking from time to time to French (https://www.planete-aventure.net
with suggestions and sometimes patches for newer systems ) and German (https://www.adventurespiele.net
- plenty of saves) forums but they have surprisingly little content to this game...
Do you have any idea what could I do or possibly to provide your own saved positions?