To convert a yt to mp4 format, you can use a third-party website or software that specializes in video conversion. Here are the steps to convert a YouTube video to MP4 format using a website: • Go to YouTube and find the video you want to convert to MP4. • Copy the URL of the video from the address bar of your web browser. • Open a new tab and go to a website that offers YouTube video conversion services, such as ytmp3.cc or onlinevideoconverter.com. • In the box on the website, paste the copied URL of the YouTube video. • Choose the MP4 format as the output format for the video conversion. • Click the "Convert" button to start the conversion process. • After the conversion is complete, you will be given the option to download the converted MP4 file to your computer or device.