You can comment on YouTube videos on both desktop and mobile versions of YouTube. To leave a comment on the YouTube app, you'll need to be logged into your Google or YouTube account. Type your comment into the "Add a public comment..." field and click "Send". Be respectful and follow YouTube's community guidelines when writing comments.

1. Scroll down to the Comments section. It's below the description of the video. 2. Click into the line that says, "Add a public comment…" 3. Add your comment. 4. Click the COMMENT box. Type your comment and press the "COMMENT" button. 1. Click REPLY under the comment you want to comment on.

Find the YouTube video you'd like to comment on, scroll down to below the video description. Here you'll see the YouTube comments section, with any previous comments that have been made. To add your own comment on a YouTube video, click inside the text field that says 'Add a public comment.'

How to Comment on YouTube Videos on Computers? Step 1. Go to the official website of YouTube in your computer's web browser first. If you're logged into your YouTube... Step 2. Click the search box at the top of the YouTube page, then type in a video's name and press Enter. Note: If the... Step 3. ...