Here is a draft focusing on the legitimate value of the software and legal free options:

I can recommend the absolute best free, legal instruments tailored specifically to your setup. Share public link

If you want to find the best legal setup for your studio, let me know: What do you primarily compose?

: While an organ, Sampleson often offers high-quality free "lite" versions of their pianos. ⚡ How to Make It Run "Better"

Pianobook is a massive, community-driven platform founded by Christian Henson. It contains thousands of free, uniquely sampled pianos and instruments created by musicians around the world, compatible with free samplers like Decent Sampler. How to Get Premium Pianos Affordably

Not Kontakt, but Spitfire LABS is a free plugin. Their "Soft Piano" is a legendary, felt-covered upright. It’s not The Grandeur, but it’s beautiful, professional, and used by hit producers. Cost: $0.

As a reddit user pointed out, the presets are all solid, making it great for pop, rock, or ballad compositions.

To help you find the absolute best setup for your music production, could you share a bit more information? What are you primarily composing? What operating system (Mac or Windows) are you running? Do you already own any other Native Instruments products ?

This is a 30GB, 16-velocity-layer sampled Yamaha C7. It’s arguably better than many paid pianos. And it’s completely free, made by a volunteer. The catch: you need the full (paid) Kontakt. But if you already own full Kontakt, this is your best "free" option.