On linux I set up my midi controller with Carla to use Salamander Piano [0]:
[0]: https://sfzinstruments.github.io/pianos/salamander
But FYI, the link you sent: Size 394+ MB
Pianoteq takes about 35MB :)
On linux I set up my midi controller with Carla to use Salamander Piano [0]:
[0]: https://sfzinstruments.github.io/pianos/salamander