Open the extension settings (More > Conversion or Licensing). Select .

The developers frequently blacklist leaked or stolen keys. If you use a public key found online, it will likely stop working within days.

Once purchased, the license key is sent to your registered email address. The Risks of "Free" or "Cracked" License Keys

It was a typical Wednesday morning for Alex, a college student with a passion for video editing. He was working on a project that required him to download a few videos from YouTube, but his go-to tool, Video Downloadhelper, was acting up. The software had been a faithful companion for years, but now it was demanding a license key to continue functioning.

Unlike the annoying monthly subscriptions most software pushes today, Video DownloadHelper still offers a lifetime license for around $29, usable across all your personal computers. The "Free Key" Trap: Don't Fall For It