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JavaScript React Components (2018) Build Modular Interfaces with Components Setting up with Create React App

Facing issues with the installation of necessary tools for node js and npm

Exception calling "DownloadString" with "1" argument(s): "The underlying connec
tion was closed: An unexpected error occurred on a send."
At line:1 char:54
+ iex ((New-Object System.Net.WebClient).DownloadString <<<< ('https://chocolat
ey.org/install.ps1')); choco upgrade -y python visualstudio2017-workload-vctool
s; Read-Host 'Type ENTER to exit'
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : DotNetMethodException

The term 'choco' is not recognized as the name of a cmdlet, function, script fi
le, or operable program. Check the spelling of the name, or if a path was inclu
ded, verify that the path is correct and try again.
At line:1 char:100
+ iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org
/install.ps1')); choco <<<<  upgrade -y python visualstudio2017-workload-vctool
s; Read-Host 'Type ENTER to exit'
    + CategoryInfo          : ObjectNotFound: (choco:String) [], CommandNotFou
   ndException
    + FullyQualifiedErrorId : CommandNotFoundException

Type ENTER to exit:        

this is the error in the Power shall