: Add --downloader aria2c to your yt-dlp.conf so it always uses aria2 by default. 2. Handling High-Quality Video (4K/8K)

-s 16 : Splits the file into 16 segments for parallel downloading. -k 1M : Sets the minimum split size to 1MB. 1. Permanent Configuration

To download YouTube videos using , you typically use it as an external downloader within a tool like yt-dlp or youtube-dl . While aria2 is a powerful multi-protocol download utility, it doesn't natively parse YouTube links; instead, it handles the raw file segments once another tool extracts them. Prerequisites

: If you get a "not found" error, ensure aria2c.exe is in your system's PATH.