This is a core block and thus available by default in Gutenberg WordPress editor. No download required.
The WordPress Pullquote Block in Gutenberg allows you to put emphasis on part of your text. It makes it more eye-catchy by representing it in a graphical way. It comes with two styles to choose from.
Pullquote Block Features
The pullquote block toolbar has basic formatting and alignment options. In the sidebar settings panel, we got options to choose a quote style. You can also adjust the colors from the sidebar panel.
This is how the pullquote looks on the frontend.
Pullquote block added in the Gutenberg editor.
You can adjust the colors from the sidebar.
Pullquote block sidebar settings.