Download I2P for Windows

i2pinstall_2.8.0_windows.exe
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The default I2P installer requires Java to be installed. You can obtain it from Oracle or from your choice of Java distribution. After installing Java, download the file and double-click to run it.

Easy Install Bundle For Windows (Beta)

Detailed Install Guide

Download I2P for Mac OS

i2pinstall_2.8.0.jar
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I2P is available as a Java application for Mac OSX. It is distributed as a Java .jar installer and therefore MacOS will ask you for explicit permission to run the software.

Download I2P for Linux / BSD / Solaris

i2pinstall_2.8.0.jar
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NOTE: Due to an unfixed IzPack bug the installer will fail with "Index 70131 out of bounds" with Java 21 or higher on Ubuntu. May also affect other platforms. Workarounds: Use our packages for Debian & Ubuntu or run the installer with Java 17 or lower. You may switch back to Java 21 or higher after the install is complete.

The most reliable way to launch the installer is from a terminal like this: java -jar i2pinstall_2.8.0.jar. This will launch the GUI installer. Depending on how your computer is set up, you may be able to start the installer by double-clicking the "i2pinstall_2.8.0.jar" file or right-clicking the file and selecting "Open with Java". Unfortunately, this behaviour is difficult to predict.

Kommandozeilen (Textbasierte) Installation

I2P is available in the official repositories for Ubuntu Bionic and later, and Debian Buster and Sid. However, Debian Buster and Ubuntu Bionic (LTS) distributions will have older I2P versions. If you are not running Debian Sid or the latest Ubuntu release, use our Debian repo or Launchpad PPA to ensure you're running the latest I2P version.

I2P is now available as a Docker package from the Docker Hub. You may retrieve the image by running the 'docker pull' command.

docker pull geti2p/i2p
    

Download I2P Quellpakete

i2psource_2.8.0.tar.bz2
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Alternately, you can fetch the source via Git from git.repo.i2p or Github.
Run (tar xjvf i2psource_2.8.0.tar.bz2 ; cd i2p-2.8.0 ; ant pkg) then either run the GUI installer or headless install as above.

Android source is also in git on Github. Android builds require the I2P source. See the documentation in the Android source for additional build requirements and instructions.