Important Links

Virtual Box: Oracle's Virtual Box can be downloaded at its website.
Zeppelics Image: Select from the Downloads Page

Installation Steps

Install Virtual Box in your host machine (make sure you have Intel-VT or AMD-V enabled in your BIOS)
Download the Zeppelics VM image via direct download or via using the provided torrent file.
Load the VM from the image using Virtual Box. Typically, you can double click the image file and Virtual imports it for you. Otherwise, you can also manually go to File→Import Appliance and select the image (.ova) file within Virtual Box.
Boot the loaded VM by selecting it and clicking Start (headless start option is preferred) within Virtual Box.
Open your favourite browser and go to http://localhost:8080/. There, you should be able to access Zeppelics right away. In case you don't there is a high chance another service is running at the same port within your host OS. In that case please follow the instructions bellow on changing the port forwarding settings in your Zeppelics VM.

Note: You can always stop or shut down the VM while you are not using it. Once you boot the VM again the web server will start automatically so and you will be able to access your notebooks again from the where you were left of.

(Optional) Port Forwarding

In case you have a port collision you will have to change the http port mappings in the VM. To do so please follow these steps:

Open Virtual Box and go to the network settings of your Zeppelics VM (Machine→Settings→Network)
Click Port Forwarding and change the Host Port of the tcp8080 entry to an available one (e.g. 8081).
You should now be able to access the Zeppelics HTTP server at the new port (e.g. http://localhost:8081)