How to fix pixelated texture on terrain

I´ve tried many ways to solve this issue as you can see in the image below:

Searched on internet, but any of the solutions worked for me.

My Blueprint is just the standard settings of terrain: Landscape Coord… Textures Samples… Layer Blend… as usual.

But maybe i need to understand a thing or two about how textures on terrain work, on terms of pixels, polygons of its terrain, and stuffs like that.

THK in advance.