1) download and install Python: https://www.python.org/

2) in the Command Prompt (Admin): `pip install jupyter`

3) download https://github.com/WolframResearch/WolframLanguageForJupyter (Clone or download -> Download ZIP)

4) extract archive and copy folder `WolframLanguageForJupyter` to `%AppData%\WolframEngine\Applications`

5) in the Command Prompt: `wolframscript`

Then:

    Get["WolframLanguageForJupyter\\WolframLanguageForJupyter.m"] 
    ConfigureJupyter["Add"]

That's all! Now in the Command Prompt: `jupyter notebook` This will launch a web browser. Select `New -> Wolfram Language`

[![enter image description here][1]][1]


  [1]: https://i.sstatic.net/NGWtv.png