Simple script to download the latest GitHub release MSI file

ps-github-release-download.ps1

$repo = "xxxx/xxxx"
$file = "xxxxx.msi"
$releases = "https://api.github.com/repos/$repo/releases"

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$tag = (Invoke-WebRequest -Uri $releases -UseBasicParsing | ConvertFrom-Json)[0].tag_name

$download = "https://github.com/$repo/releases/download/$tag/$file"
$msi = "$name-$tag.msi"

# download
Invoke-WebRequest $download -Out $msi

Start-Process msiexec.exe -Wait -ArgumentList "/I $msi /quiet"

if (Get-Module -ListAvailable -Name LithnetMIISAutomation) {
    Write-Host ("Module installed")
    exit 0
} else {
    Write-Host ("Module installation failed")
    exit 1
}