Geant4 Download Ubuntu [verified]
To verify everything is working, try running a basic example provided with the source code: Copy Example B1 to a local folder:
Downloading and installing on Ubuntu is a multi-step process that involves setting up a C++ development environment, compiling the source code, and configuring the simulation datasets. As of early 2026, the current stable version is Geant4 11.4.1 . 1. Prerequisites and System Setup
: Use -j followed by the number of CPU cores to speed up the process: make -j$(nproc) make install Use code with caution. 4. Post-Installation: Environment Variables geant4 download ubuntu
echo 'source ~/geant4/geant4-v11.4.1-install/bin/geant4.sh' >> ~/.bashrc source ~/.bashrc Use code with caution. 5. Testing the Installation
: Use the following flags to enable multithreading, datasets, and the Qt GUI: To verify everything is working, try running a
: Necessary for the graphical user interface (GUI) and visualization. 2. Download the Source Code
: You can find the latest tarball on the official CERN Download Page. wget https://cern.ch tar -zxvf geant4-v11.4.1.tar.gz Use code with caution. 3. Build and Installation Prerequisites and System Setup : Use -j followed
cp -r ~/geant4/geant4-v11.4.1/examples/basic/B1 ~/B1_test cd ~/B1_test && mkdir build && cd build Use code with caution. Build and run: cmake .. make ./exampleB1 Use code with caution.
sudo apt update && sudo apt upgrade -y sudo apt install build-essential cmake cmake-curses-gui git wget \ libexpat1-dev libxerces-c-dev qtbase5-dev libgl1-mesa-dev \ libx11-dev libxmu-dev libmotif-dev Use code with caution.
Navigate to your desired installation directory (e.g., ~/software/geant4 ) and download the latest source archive: : mkdir -p ~/geant4 && cd ~/geant4 Use code with caution.