May be worth googling Gutenberg Tutorials – there are a lot of videos out there.
But its pretty simple, in the new editor you hit the + icon and then select the columns block, in the sidebar you can select the number of columns. Then in each column you can add more blocks, an Image, a Heading, a paragraph etc.
Images you would need to source yourself. For those type of icons check out icomoon, the noun project etc. A lot of which are SVGs which are great if you want hi-resolution scalable images. But you will need to add this plugin for WP to accept them: