YouTube stores high-resolution and high-frame-rate streams separately from the audio.
Look for a line with 1080p60 (e.g., format code 299 or 303 for MP4/H.264). youtube download 1080p60
: Tools like yt-dlp or 4K Video Downloader automatically download both the video and audio tracks and merge them into a single file. youtube download 1080p60
yt-dlp -F [video URL]