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In the Local repository field of the Checkout tab, enter the path to a local Git working folder for the local repository that you want to checkout to.
You can then either:
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The Checkout Options tab allows you to specify some options to pass to the Git Checkout command line.
Create new branch - Select -b to create a new branch and checkout out to that branch. Select -B to do the same but also reset to any existing the branch., Alternatively you can use the --orphan option create an orphaned branch based on Start Point and switch to it.
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The Checkout Settings tab allows you to specify some additional settings to pass to the Git Checkout command line.
Guess - Ifbranch is not found but a tracking branch exists with a matching name, use that branch;
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No overlay - Remove files that appear in the index and working tree, but not in tree-ish.
Create reflog - to doCreate the new branch’s reflog
Ignore other worktrees - to doAllow checkout when the commit is already checked out to another working folder
Ignore skip worktree bits - to doIgnore any the sparse checkout patterns
Quiet - to doSuppress all output.
For more information on adding files to git, see the git checkout command line documentation.