To start Katalon Studio, double-click on the katalon.exe (Microsoft Windows) or katalon (Mac) file in the directory where you unpack Katalon Studio. For example:
Once started, the application should display the splash screen similar to the following screenshot:
After launching Katalon Studio, provide your registered username and password to activate your Katalon Studio. The username and password are the same as the ones you created when registering and downloading Katalon Studio from https://www.katalon.com/.
When your build is activated, the Quick Guide screen is displayed to guide you through all major features. You can skip this and view the Quick Guide later from the Help menu.
At the end of the introduction, Katalon Studio suggests to create a new project. Click OK for now:
Create Your First Project
Enter the name of your new project and the location to store the project data on your machine. Click OK.
A new project will be generated at the specified location.
Create Your First Test Case
After new project is created, you can create a new test case with few clicks by using Katalon Studio Record and Playback feature.