I am trying to get the 16 bit game 'Detective Chess' running on Window 7 64 bit, so I am using OTVDM and it seems to work fine, except if I try to alter the in-game options, and then it just gives the traditional non-responsive white box of failure. I am using OTVDM v8.1, because that is the last stable release, but that is more than a year old now, and so I want to try the later, possibly unstable versions, but I can't find the download.

Can anyone help me find it, please?

I found the old, stable version at:

https://github.com/otya128/winevdm/releases