Install-AmazonSSMAgent.ps1

# Set-ExecutionPolicy -ExecutionPolicy Bypass -Force

If (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator"))
{
    Write-Warning "You do not have Administrator rights to run this script!"
    exit 1
}

(Test-Path C:\TEMP) -or (New-Item -ItemType directory -Path C:\TEMP)
(Test-Path C:\TEMP\AmazonSSMAgentSetup.exe) -and (Remove-Item C:\TEMP\AmazonSSMAgentSetup.exe)

Invoke-WebRequest -Uri https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/windows_amd64/AmazonSSMAgentSetup.exe -Outfile C:\temp\AmazonSSMAgentSetup.exe

Start-Process -FilePath C:\temp\AmazonSSMAgentSetup.exe -ArgumentList ALLOWEC2INSTALL=YES, /install, /passive, /norestart, /log, c:\temp\AmazonSSMAgentSetup.log -Wait -NoNewWindow
if ($?) { Write-Output "install ok" }

Restart-Service AmazonSSMAgent

Set-ExecutionPolicy -ExecutionPolicy Bypass -Force

iwr https://gist.githubusercontent.com/jeremygaither/4be2511fd33c0a98a6ea6104cbc0b6c8/raw/286af707e8e7378a8de3f410cb0e905c46a978b3/Install-AmazonSSMAgent.ps1 | iex