Downloading & Installing

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Overview

Coming Soon. . . OpenRocket Beta 5 will soon be available for download.

OpenRocket Beta 5 will be 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 come with everything needed, including the correct version of Java; you will not need to install, update or downgrade Java on your device to run them.

For security reasons, beginning with the release of 22.02 Beta 2, download files for all available releases of OpenRocket are available on, and should be downloaded from the official OpenRocket website at:

Latest OpenRocket Beta Download

2022 Beta 5 Pre-Installation Procedures

A few users have reported difficulties with installing new versions of OpenRocket, and some of these relate to pre-installation procedures. Before beginning the installation of OpenRocket, the following actions should be undertaken.

Close All Instances of OpenRocket

By default, all beta versions of OpenRocket install to the same location on your device; beta versions even share preference and use files with version 15.03. Because of this, if OpenRocket is open when you attempt to install an updated version, the installation may not update all of the files needed for OpenRocket to function correctly.

Before installing an update, you MUST close all open instances of OpenRocket.

Uninstall Prior Beta Versions of OpenRocket

As described above, by default, all beta versions of OpenRocket install to the same location on your device. Although not expressly required, it is suggested that all previously installed beta versions or OpenRocket be uninstalled before installing the updated version. This is not required, but is suggested to ensure the proper function of OpenRocket through the completion of beta testing.

2022 Beta 5 After-Installation Checks

Verify the Version Installed

A few users have reported that new installations of OpenRocket are not functioning 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.05 by undertaking the following steps:

Step	What You Should See
1	If the version number shown in both images below is not OpenRocket.22.02.beta.05, 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
File Menu Icons

Check 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
Solution	In most instances, the solution is changing a setting in your preferences. You can find that setting here: Edit → Preferences → Graphics. And, you toggle the Use Off-screen Rendering setting. If it's off, then you turn it on. If it's on, then you turn it off. After changing this setting, you must exit and restart OpenRocket for the change to take effect.
	Experience has shown that those who use Apple Silicon Macs should uncheck this box, and those who use Windows should check this box. But, your OS platform may differ. If this does not correct the issue, contact development.

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