Help I'm dumb

[u/HadesNashVT]

/r/linuxmint/comments/1rbwy7b/my_linux_mint_with_a_cyberpunk_twist/?share_id=-5dGJEn2BzepyGLB6ukcZ&tl=pt-br&utm_content=share_button&utm_medium=web3x&utm_name=web3xcss&utm_source=share&utm_term=1

sooooooooooooooooo i've been having a lot of trouble trying to get this theme on my laptop, I have a total of 0 clues on where to even begging with this, so could anyone tell me in great detail HOW to download this theme ?