Download the Anaconda today but how all can't open notebook
Also appeared The following [I 17:27:48. 519 NotebookApp] The port 8888 is already in use, trying another port.
[I 17:27:48. 521 NotebookApp] The port 8889 is already in use, trying another port.
[I 17:27:48. 522 NotebookApp] The port 8890 is already in use, trying another port.
[I 17:27:48. 524 NotebookApp] The port 8891 is already in use, trying another port.
[I 17:27:48. 524 NotebookApp] The port 8892 is already in use, trying another port.
[I 17:27:48. 572 NotebookApp] JupyterLab beta preview the extension the loaded from D: \ Users \ ANACONDA \ lib \ site - packages \ JupyterLab
[I 17:27:48. 573 NotebookApp] JupyterLab application directory is D: \ Users \ ANACONDA \ share \ jupyter \ lab
[W 17:27:48. 659 NotebookApp] Error loading server extension jupyterlab
Traceback (the most recent call last) :
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ commands py", line 321, in __init__
Self. _run ([' node ', 'node - version - check. Js], CWD=HERE, quiet=True)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ commands py", line 1165, in _run
Proc=Process (CMD, * * kwargs)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ process py", line 73, in __init__
Self. Proc=self. _create_process (CWD=CWD, env=env)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ process py", line 131, in _create_process
CMD [0]=which (CMD [0], kwargs) get (' env))
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ jlpmapp py", line 59, in which
Raise ValueError (MSG)
ValueError: both Please install nodejs 5 + and NPM before continuing the installation. The nodejs may be installed using conda or directly from the nodejs website.

During handling of the above exception, another exception occurred:

Traceback (the most recent call last) :
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ notebook \ notebookapp py", line 1454, in init_server_extensions
Func (self)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ extension py", line 111, in load_jupyter_server_extension
Info=get_app_info (app_dir)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ commands py", line 244, in get_app_info
Handler=_AppHandler (app_dir, logger)
The File "D: \ Users \ ANACONDA \ lib \ site - packages \ jupyterlab \ commands py", line 324, in __init__
Raise ValueError (MSG)
ValueError: both Please install nodejs 5 + and NPM before continuing the installation. The nodejs may be installed using conda or directly from the nodejs website.
[I 17:27:49. 074 NotebookApp] Serving notebooks from the local directory: C: \ Users \ lih05
[I 17:27:49. 074 NotebookApp] 0 active kernels
[I 17:27:49. 074 NotebookApp] The Jupyter Notebook is running at:
[I 17:27:49. 074 NotebookApp] http://localhost:8943/? Token=2 ccb7148fa1f4183b372bd306d25acd9630eb565499ff240
[I 17:27:49. 074 NotebookApp] Use Control - C to stop this server and shut down all kernels (twice to skip confirmation).
[17:27:49 C. 076 NotebookApp]

Copy/paste this URL into your browser when you connect for the first time,
To login with a token:
http://localhost:8943/? Token=2 ccb7148fa1f4183b372bd306d25acd9630eb565499ff240
[I 17:27:49. 913 NotebookApp] has one - time - token - authenticated connection from: : 1