Install a Windows Service

install-service.ps1

    
    $serviceName = "My Service Name"
    $exePath = "C:\Program Files\foo\bar.exe"
    $username = "someUser"
    $password = convertto-securestring -String "somePassword" -AsPlainText -Force  
    $cred = new-object -typename System.Management.Automation.PSCredential -argumentlist $username, $password
    
    $existingService = Get-WmiObject -Class Win32_Service -Filter "Name='$serviceName'"
    
    if ($existingService) 
    {
      "'$serviceName' exists already. Stopping."
      Stop-Service $serviceName
      "Waiting 3 seconds to allow existing service to stop."
      Start-Sleep -s 3
        
      $existingService.Delete()
      "Waiting 5 seconds to allow service to be uninstalled."
      Start-Sleep -s 5  
    }
    
    "Installing the service."
    New-Service -BinaryPathName $exePath -Name $serviceName -Credential $cred -DisplayName $serviceName -StartupType Automatic 
    "Installed the service."
    $ShouldStartService = Read-Host "Would you like the '$serviceName ' service started? Y or N"
    if($ShouldStartService -eq "Y")
    {
        "Starting the service."
        Start-Service $serviceName
    }
    "Completed."