Learn how to use Gatling, a powerful open-source load testing solution, in this comprehensive beginner tutorial. Explore the fundamentals of Gatling, including its features, architecture based on the Akka toolkit, and two main usage methods. Set up the necessary prerequisites, download and install Gatling, and get hands-on experience with the Gatling Recorder. Record a test scenario using a demo application, generate a Gatling script from the recorded HAR file, and execute a performance test. Analyze the resulting colorful reports and gain an overview of the Gatling script structure. By the end of this tutorial, you'll have a solid foundation in using Gatling for script-based performance testing and be ready to leverage its capabilities for heavy load testing scenarios.