Go to the application you want to move to a different stage.
On the right, click the button that says Move to another stage.
Choose the stage to move to and click Move.
If you're rejecting a candidate, you can also choose a rejection reason. It is useful when you're creating a report to see the most common reasons why candidates get rejected.
When you move an application to another stage, the actions associated with that stage, if any, will be triggered. Learn more about actions and how they work here.