**On Windows:**

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

 Don't forget to to check "add python environment variables" / "add to PATH", otherwise you will have to add python.exe path manually.     

2. Download .paclet  file from assets section in [github : WLforJupyter > releases](https://github.com/WolframResearch/WolframLanguageForJupyter/releases)

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

3. In the Command Prompt (Admin): 

        pip install jupyter 
    <br>

        wolframscript

    <br>

        PacletInstall @ "path/to/the.paclet"

        << WolframLanguageForJupyter`

        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][2]][2]

[![enter image description here][3]][3]

**And just for fun:**

[![enter image description here][4]][4]


  [1]: https://i.sstatic.net/cUhnl.png
  [2]: https://i.sstatic.net/GAERb.png
  [3]: https://i.sstatic.net/NGWtv.png
  [4]: https://i.sstatic.net/3lHlL.png