9: Open a fresh terminal and type sudo -i typing your password when prompted.
This is the root shell, where you can do system stuff without having to type sudo every time.
Type conda list to confirm that it works. Then, type conda install jupyter
This will install Jupyter Notebooks, a useful took for writing Python code. Type y when asked if you wish to proceed and hit enter. It will take a little while to install. When it is done, you can exit the terminal.