HP QuickTest Professional (QTP), an automated functional testing tool that helps testers to perform automated regression testing in order to identify any gaps, errors/defects in contrary to the actual/desired results of the application under test. This tutorial will give you an in-depth understanding on HP QuickTest Professional, its way of usage, record and play back of tests, object repository, actions, checkpoints, sync points, debugging, test results etc. and other related terminologies.