Click "Download." The progress bar will show the status. Batch mode works by adding multiple URLs to a queue.

Choose your desired quality, output folder, and optional subtitles.

Install the software. During installation, uncheck any offers for additional toolbars or browser extensions.

Cause: The target website changed its player code. Luluvdoo is no longer updated. Fix: Switch to yt-dlp or 4K Video Downloader.