Video DownloadHelper offers both free and paid versions. The paid version, often referred to as the "licence key" or "pro" version, offers additional features, such as:
For completeness, here is how to use the official software correctly.
A portable version of Video DownloadHelper refers to a version that can be run from a USB drive or other portable device, without requiring installation on the local machine. This can be useful for users who want to use the extension on multiple computers without having to install it each time.
: Explore other free video downloading tools or browser extensions that may offer sufficient functionality without the need for a licence key.