Installation Overview

This section provides information on how to install and activate Katalon Studio.

Learn more with our Katalon Academy course: Create and Execute Test Cases.


Environment Requirements

Verify whether your computer meets the System Requirements to work with Katalon Studio.

Download Katalon Studio

  • Download the latest Katalon Studio version.

    Katalon Studio automatically detects a suitable version for your system, but you can also select a preferred one on the page.

  • Do a quick check on System Requirements before using Katalon Studio.

Start Katalon Studio


  • Double-click on the katalon.exe file.

    Download and Start Katalon Studio

  • Ensure you are using the default font size (set to 100%) in both Katalon Studio and your current OS to avoid the name field not being displayed on some > pop-up windows.

    To adjust the font size:

    • Windows: Edit the font size.
    • Katalon Studio: Window > Preferences > General > Appearance > Colors and Fonts. Select Dialog Font and edit the font size.


  • Double-click on the Katalon Studio (macOS) file in the directory where it is unpacked.

    For macOS Catalina users:

    • From version 7.9 onwards, macOS Catalina users no longer have to enable Katalon Studio and Katalon Studio Engine applications in System Preferences.

    • Users can start the applications directly like in macOS.

  • Once started, the application should display the splash screen similar to the following screenshot:

    Katalon Studio Loading

Activate Katalon Studio


For Windows users, installing in custom folder (outside of the default C:\Users\<username>) would require you to run the software with Administrator privilege, or to adjust the Read/Write permission of Katalon Studio package for the current user.