The latest official posts about CTV advertising on YouTube can be found here: https://blog.google/search/?query=ctv
A simple one-two-three how to start advertising on YouTube inventory.
- Create an account on YouTube or simply login.
- Upload the advertising video just as a regular video, it can be saved as private.
- Create a Google Ads or just log in to the one that you have and click on New Campaign > website traffic > video
- Name the campaign, choose your geo, target, setup the budget, and follow all the steps
- At the end choose a video from your library or type a URL to the YouTube of your choice.