Supported environments for Katalon Studio and KRE

Last updated: October 2026

info

We recommend using the latest version of Katalon Studio. Download the latest version from the Katalon website: Katalon products.

System requirements

Katalon Studio

Category	Platform	Details
Operating System	Windows	Windows 10, 11, Server 2016, 2019, 2022
	macOS	macOS Sonoma 14, Sequoia 15, and Tahoe 26
	Linux	OpenJDK 21. See Install Katalon Studio for Linux. A desktop environment: Gnome, KDE, or Unity. Tested on Ubuntu 22.04 and 24.04 LTS.
GUI Components		Required for all operating systems.
CPU		Minimum: 2 GHz or faster 64-bit (x64) processor
Memory		Minimum: 4 GB available RAM (64-bit) Recommended: 8 GB available RAM (64-bit) Note: Available RAM refers to unused memory not shared with other apps. See How to free up more available RAM for Katalon Studio.
Hard Drive		SSD recommended. At least 1 GB free - more may be required for projects and reports.

Katalon Runtime Engine

Category	Platform	Details
Operating System	Windows	Windows 10, 11, Server 2016, 2019, 2022
	macOS	macOS Sonoma 14, Sequoia 15, and Tahoe 26
	Linux	OpenJDK 21. See Install Katalon Runtime Engine for Linux. Tested on Ubuntu 22.04 and 24.04 LTS.
GUI Components		Katalon Runtime Engine does not include GUI components. See Execution on Katalon Runtime Engine.
CPU		Minimum: 2 GHz or faster 64-bit (x64) processor
Memory		Minimum: 4 GB available RAM (64-bit) Concurrent executions (incl. Docker): sessions × 2GB (e.g., 3 sessions = 6GB) Recommended for AWS EC2: minimum 8 GB available RAM
Hard Drive		At least 1 GB free. More may be needed for large projects and reports.

Supported browsers

Desktop browsers	Version on Windows	Version on macOS	Version on Linux	Note
Microsoft Edge (Chromium)	151+	151+	N/A
Firefox	141+	141+	141+
Google Chrome	151+	151+	151+
Safari	N/A	17+	N/A	Enable Allow Remote Automation in Safari. See Enable Webdriver Support.

Supported mobile operating systems (OS)

Installation	Version on Windows	Version on macOS	Appium	Native App Support	Hybrid App Support**	Mobile Browser Support	Xcode
Android	6.x - 15.x	6.x - 15.x	1.12.1+, 3*	Yes	No	No	N/A
iOS	Content Cell	9-15, 16, 17, 18*	1.12.1+, 3*	Yes	No	No	v9.4.1-15*

• (*) Requires Katalon Studio version 11.0.0 or later.
• (**) Refer to the following workarounds for hybrid apps:
  • Capture elements in hybrid Android apps
  • Flutter-based application testing with custom SetText keyword

Supported Appium drivers

The following are related to Appium mobile operating system (OS) only:

Driver	Version
Appium Flutter	2.8.0
Appium XCUITest Driver for iOS	7.21.1
Appium UiAutomator2 Driver for Android	7.0.0

Supported Windows platforms

Katalon Studio fully supports automation testing for desktop apps written in the following platforms:

• Universal Windows Platform (UWP)
• Windows Forms (WinForms)
• Windows Presentation Foundation (WPF)
• Classic Windows (Win32)

Known limitation

• On macOS version Tahoe 26.1, users cannot select multiple lines of code in the Test Script section of Katalon Studio. Only single-line selection is possible due to a limitation in the Eclipse platform on this OS version.