Quote - > Quote - good pointers. On 64-bit versions there's also a 'Program Files (x86)' alternative.

That's no better then "Program Files".

I don't think you want to install into 'Program Files' if you're installing a 32-bit version of a program on a 64-bit system. That's what the x86 version of Program Files is for.

Of course, if you install a program that only expects to be working in Program Files and only on C: drives then there's not much choice, but many programs will give you choices, and when it comes to a 64-bit system, there's a reason why they created a x86 legacy folder separate from the normal one. Granted, you can ignore it. It's just another folder, no magic there as far as I know. Just good housekeeping sense. And in this particular case if it turns out that some modules of Bryce 5.5 look specifically in Program Files, then I'll say Amen, you'll be better off installing in Program Files. I'm just preaching what should normally be done.

In theory, theory and practice are the same. But in practice, they may very well be different  ;-)