You need to go to the place where the show is held. The window is on the side of Pioneer Hall. You can pick the tickets up about an 1/2 to 1 hour before I believe.
Same here--got them at the resort when I checked in--two different times, two different resorts, FW and Boardwalk.
They ask you to get to HDDR 30 minutes early to check in, evcen if you have your tickets, but I think this is mostly to try to sell you photographs...we got there 30 mins early both times, but people continued to check in right up until the doors opened.