Here are the steps to take when adding keywords to your channel:
- To find your channel keywords, click on your profile picture, then Creator Studio.
- On the left, click on Channel, then click on Advanced.
- Near the top of the page is a text box for Channel Keywords.
For More Information Please Refer: https://www.crispvideo.com/how-to-add-keywords-to-your-youtube-channel-crisp-video-marketing-minute-9/