Steps to create your own YouTube API key to be able to upload videos
Create a new project
(https://i.imgur.com/Y1YBo4Q.png)
Allow YouTube API
(https://i.imgur.com/Zgwj5F5.png)
(https://i.imgur.com/FdGk2pg.png)
(https://i.imgur.com/7TesNCP.png)
Create API key
(https://i.imgur.com/93z8E6L.png)
(https://i.imgur.com/luKmcNz.png)
(https://i.imgur.com/iq8BDnt.png)
Get your key
(https://i.imgur.com/XMLIVZK.png)
Then insert your key and secret into my program. Use "youtube.com" and it will ask for your details.
(https://i.imgur.com/Ad6Ru9X.png)
Higher limits
Now you should apply for higher quota to be able to upload more videos daily
https://support.google.com/youtube/contact/yt_api_form?hl=en