I've only tested on Windows 7, but looking over the API functions I used, I could probably relax the restriction to Vista. I'm not sure I'd be willing to extend

I've only tested on Windows 7, but looking over the API functions I used, I could probably relax the restriction to Vista. I'm not sure I'd be willing to extend testing and support to Vista without getting some funding. It feels harsh to say, but I have ambitious plans which will be stalled if I git bogged down with deprecated and proprietary software.