Prerequisite: a test case was created.
Right-click on a test case.
Choose New > Test Step.
Outcome: the "Add Test Step" dialog will open.
Optionally, enter a text designed to describe the procedure for this test step.
Optionally, enter a precondition.
Optionally, enter an expected result.
Optionally, enter a post condition.
Outcome: a test case with all entries was added to the selected test case.