Select File > New > Project from the main menu. The New Project dialog will be displayed.
Specify the Name and Location for the new project and click OK. Katalon will generate a project at defined location accordingly.
If the project files have been modified and they are yet to be reflected in Katalon Studio, you can refresh project to show up-to-date information, as illustrated below:
You can free up disk space by removing temporary files generated by Katalon Studio.These temporary files are stored in the following location in your machine:
Temp files’ location
Select Clean... under the File menu as illustrated below: