The latest open source version of Mirth Connect can be downloaded here
Mirt Connect 4.5.2 is also the last open source version published by nextgen healthcare since the next version 4.6 was made closed source. You can read more about the change here The End of Open Source Mirth Connect – What’s Next? - #2 by john
To install you can follow these steps:
- download the x64 installer
- run the installer
- default settings are fine
- Java 17 required but it’s bundled with the installer
Start Mirth connect with the admin launcher and username/password admin/admin
Installation video