Will the 32-bit version work on a 64-bit operating system?
Yes, in most of the cases you can install a 32-bit application on a 64-bit architecture because it will simply work. However, developers can tweak their installers so that you will receive a message denying the actual installation unless you have the correct architecture.
I've downloaded the trial version of the software, and it installed correctly on Windows 10 x64 architecture. There was no notification regarding compatibility.