I would like to see TestComplete releases in 64 bit mode. Since more and more applications are becoming 64bit and (Virtual, Cloud) Operating Systems as well. Also OS'es are moving toward 64-bit. And ...
Several years ago I had an issue where TE was taking up huge amounts of RAM and causing strange issues. SmartBear support and I couldn't figure out the source of the problem in the time I had so (if memory serves) they gave me an exe of some kind to run on the TE exe which expanded its memory awareness. Worked like a charm!
So sounds like it is possible (though this was probably TC 9.x).
PS - the problem ended up being some code I copied off the internet that ran a tight loop creating thousands of the same object. Lesson learned!
..