You can utilize LearnWorlds' internal video storage, which ensures that all the videos you upload to your private collection will be safely retained within LearnWorlds' system. Alternatively, you can link your personal Vimeo Pro or Wistia account to your LearnWorlds platform. In this case, any content you upload from within LearnWorlds will be stored directly in your designated external account.
To select your desired video provider, navigate to Settings → Video → Provider.
LearnWorlds
Select Learnworlds and click on Save.
Vimeo
Select Vimeo and click on Connect your account. Give access to use your Vimeo account as a repository, by clicking on Allow. Don't forget to check this link for the Vimeo settings you should be using (e.g. Privacy settings).
Wistia
Select Wistia and click on Connect your account. Give access to use your Wistia account as a repository, by clicking on Authorize.
For more information on how to upload your videos in your Video Libraries, check this respective article.