Are PowerDirector 9 Ultra64/Deluxe versions able to run on 32-bit/64-bit OS?

Yes. Both Ultra64 and Deluxe versions are compatible with Windows 7/Vista/XP on 32-bit and 64-bit OS. And both versions optimized for NVIDIA CUDA technology, AMD Accelerated Parallel Processing technology, Intel Core family processors, and AMD multi-core central process units.

What’s more, to take the advantage of native 64-bit support, using Windows 64-bit OS with PowerDirector Ultra64, TrueVelocity 64-bit engine breaks the barrier and let you utilize all the memory in the system in order for you to work on multiple HD videos concurrently.