Downloading & Installing

Overview

OpenRocket is available for Windows, macOS and Linux. The easiest way to get OpenRocket up and running is to download and install one of the packaged installers. The Packaged Installers for OpenRocket come with everything needed. You don't need to install, update or downgrade Java on your machine to run them.

Downloadable File Type	OpenRocket 22.02.beta.01 (2022 BETA RELEASE -- ACTIVE)	OpenRocket 15.03 (2015 VERSION)
Windows packaged installer	OpenRocket-22.02.beta.01-Windows.exe	OpenRocket-15.03-installer.exe
macOS packaged installer	OpenRocket-22.02.beta.01-macOS.dmg	OpenRocket-15.03.dmg
Linux packaged installer	OpenRocket-22.02.beta.01-Linux.sh	OpenRocket-15.03.AppImage
.jar	OpenRocket-22.02.beta.01.jar	OpenRocket-15.03.jar
Source code (.zip)	release-22.02.beta.01.zip	OpenRocket-15.03.zip
Source code (.tar.gz)	release-22.02.beta.01.tar.gz	OpenRocket-15.03.tar.gz

Installation Help

After-Installation Checks

Verify the Version Installed

A few users have complained about new installations of OpenRocket not running correctly, only to find out that the wrong version was installed. After your installation is complete, and before doing anything else, verify that you actually installed OpenRocket.22.02.beta.01 taking the following steps:

Step	What You Should See
1	If the version number shown in both images below is not OpenRocket.22.02.beta.01, then you have installed the wrong version of OpenRocket. Uninstall that version, download the new version, and try again.
Splash Screen
Help → About
2	If the circled icons shown in the image below are different that yours, then you have installed the wrong version of OpenRocket. Uninstall that version, download the new version, and try again.
Component Icons

Check a Few Settings

If everything looks good there, let's check settings.

Setting	What You Should Do
Off-screen Rendering	Some users have reported that the rocket shown in the design window is not full-size. This can occur if the off-screen rendering setting is not correct for your device. Using the Three-stage rocket example packaged with OpenRocket, this is what the problem looks like:
Too small
Correct size