PowerShell

$folder = "C:\Camerameteo"
if (-not (Test-Path $folder)) { New-Item -ItemType Directory -Path $folder }

while ($true) {
    $timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss"
    $url = "http://192.168.1.151/snapshot.cgi?user=ADMIN&pwd=admin"
    $output = "$folder\image_$timestamp.jpg"

    Invoke-WebRequest -Uri $url -OutFile $output
    Start-Sleep -Seconds 60