Arduino Zero Grbl Help

Hi peeps,
I am new to all of this. Lately i am building a XY plotter with my UNO and i am constantly trying to speed it up. But as i noticed that the leftover Sram might not be enough for the high speeds and high feedrates i am trying to achieve, instead i bought a Zero board. Now i want to try to upload grbl to it. I know that grbl is not for ARM and i don't know much about code, but i noticed there is nucleo grbl for arm cortex, and I read in a github forum, that somebody already managed to get grbl onto the Zero. Has anyone here done this before and might be able to help me? I don't know things, but I am willing to try...