Manual testing – Involves manual inspection and testing of the software by a human tester. Automated testing – Involves using software tools to automate the testing process. Functional testing – Tests the functional requirements of the software to ensure they are met. Non-functional testing – Tests non-functional requirements such as performance, security, and usability. Unit testing – Tests individual units or components of the software to ensure they are functioning as intended. Integration testing – Tests the integration of different components of the software to ensure they work together as a system. System testing – Tests the complete software system to ensure it meets the specified requirements. Acceptance testing – Tests the software to ensure it meets the customer’s or end-user’s expectations. Regression testing – Tests the software after changes or modifications have been made to ensure the changes have not introduced new defects.