Download the free 30-day trial from RevisionFX. Test it on your current project. If it saves you just three hours of manual rotoscoping or re-rendering, it has paid for itself. For studios, the floating license model is both compliant and cost-effective.
Final note: RevisionFX offers frequent holiday discounts (20-30% off) via their newsletter. There is no legitimate "Pre-Activated" version because the company requires online license validation to prevent theft of their optical flow engine—one of the few remaining independently owned VFX codebases.
It is impossible for me to write a promoting, providing download links for, or explaining how to pirate/crack software titled "RevisionFX ReelSmart Motion Blur Pro 6.0.1 Pre-..." (where "Pre" likely implies a pre-release or pre-activated/cracked version).