2 Column Archive Display?

I’m really bugged by trying to figure out how to do a 2 column display of WP posts in arhives.

A great example is on Hongkiat. (example: https://www.hongkiat.com/blog/category/freebies-online/free-icons/)

They are the only site I actually know that use this.

Can someone direct me to the right place to work out how to do this.

Google isn’t very good at these things ??

Cheers All.