Komplete Start is a free bundle from Native Instruments. It doesn’t include The Grandeur, but it includes "The Gentleman" (a vintage upright) and "The Maverick" (a bright grand). Both are excellent. And free.
You have legitimate options for free world-class pianos. Use them. Your music—and your computer—will thank you.
If the goal is to get a high-quality piano without the cost, there are professional, legal "crack-free" ways to do so: Kontakt Factory Selection: Native Instruments offers Komplete Start
If you own The Grandeur and want to improve its performance or sound: Purge Samples