- Go to the download page of opendaylight.org. http://www.opendaylight.org/software/downloads
- Download the "Pre-Built Zip File" or "Pre-Built Tar File" of the latest Helium.
- Extract files from the downloaded file. e.g.
unzip distribution-karaf-0.2.1-Helium-SR1.zip
or
tar zxvf distribution-karaf-0.2.1-Helium-SR1.tar.gz