What is the difference between pull and fetch commands in Git?

fetch downloads changes (commits, branches, tags) from a remote repository to the local one, but does not merge them with the current branch. Remote branches will be available as remote/branch-name.

pull performs two operations: first fetch, then merge (by default) or rebase (if configured) of the fetched changes into the current local branch. That is, pull downloads changes and immediately applies them.

The key difference: fetch only downloads, pull downloads and integrates.