TruePianos is sometimes included for free with hardware or DAW suites. Cakewalk/Sonar
The search for a "descarga gratuita" (free download) of 4Front TruePianos descarga gratuita de 4front truepianos vst
There is no legitimate free full version. Use the official demo, and if you like it, support the developer. Pirated copies are a security nightmare. TruePianos is sometimes included for free with hardware