Get your copy at http://jupyterlab.readthedocs.io/en/stable/index.html
From command line do the following
- Upgrade Jupyter notebook
pip install notebook —upgrade
- Install Jupyterlab
pip install jupyterlab
- Launch Jupyter Lab
jupyter lab
A very nice design and excellent for working- lets see how fast people adapt to it along with other kernels in Julia, R, SAS et al