How to Download a YouTube Video on a Mac Using Safari

1. Download the Safari browser, if you haven't already got it installed, you can download it from apple official website.

2. In the browser, navigate to the YouTube video you want to download.

3. Pause the video.

4. Go to the Window menu in the Safari browser, and click on "Activity".

5. Look for the YouTube video link with a list of files under it.

6. Select the highest size file. It should be an "MB" among the many "KB" files.

7. Double click on it. The video will be downloaded in .flv format. Expect this to take some time, depending on the size of the video and the speed of your connection.