How to pull a branch from a remote repository?

Question

git

I need to pull a remote branch so that only the files of this new branch are in the project folder.
It doesn't work:
git checkout -b <branch name> origin/<branch name>

Answer 1

git fetch origin
git checkout -b <название ветки> origin/<название ветки>

documentation here: https://git-scm.com/book/en/v2

Answer 2

Why doesn't it work?
Only after checkout you need to pull