Otherwise you see the following error screen. You will know if you're successful when you click download you'll see the following screen. But before you click download you need to Disconnect TwitchLeecher in your Twitch Settings here: So from here just search for the video you want to download using URL. You will now see a green box with a tick meaning your Twitch account is authorized. Once you enter the code correctly you'll need to Authorize TwitchLeecher. It will then ask for a 2-Factor-Authorization code that will be sent to your email used for your Twitch account. Once installed simply authorize your Twitch account by clicking the box with a Twitch icon. What it involves is using the last version of Twitch Leecher to have Twitch account authorization (Version 1.7.3) you can download it here: However, I found a workaround that mitigates the problem, albeit in a 'dirty' 'hacky' way as the author Franiac puts it. If interested you can read about how it unfolded here: This is because Twitch has decided to block API tokens of such apps from accessing content. If you try downloading videos from Twitch, especially channels that require a subscription, you will quickly find out that it's not possible with 3rd party programs like DVDFab Downloader or Twitch Leecher.

Twitch leecher error 404