A Powershell script to install Paket dependency manager in current folder (sub-folder .paket)

Install-Paket.ps1

New-Item -ItemType directory -Path ".paket"
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$tag = (Invoke-WebRequest -Uri https://api.github.com/repos/fsprojects/Paket/releases | ConvertFrom-Json)[0].tag_name
$uri = " https://github.com/fsprojects/Paket/releases/download/" + $tag + "/paket.bootstrapper.exe"
Invoke-WebRequest $uri  -OutFile .paket/paket.exe

You could install via the dotnet tool

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "paket_setup",
            "type": "shell",
            "command": "dotnet",
            "args": [
                 "tool", 
                 "install", 
                 "--tool-path", 
                 ".paket", 
                 "Paket", 
                 "--add-source", "https://api.nuget.org/v3/index.json"
            ]
        }
    ]
}