Updated February 10, 2017 Double click on the desktop icon for your web browsing program. Navigate to a website that offers an MP4 compatible conversion software program, such as “Koyote Free Conversion” (see Resources). Navigate to the section of the website that offers downloads and then click on the “Download” button. Wait a moment for your web browser to pop up a new window asking for instructions. Click on “Save File” in the new window. Open the “My Computer” icon on your desktop and then navigate to the folder on your computer’s hard drive where your downloaded files are saved. Double click on the installation file for the conversion program. Click on the box marked as “I Agree” under the terms and conditions section. Click “Next” on the next window that appears. Wait for the installation process to finish and then double click on the conversion program’s desktop icon. Click on “File” at the top toolbar and then choose “Add Files.” Navigate through the browser that appears to find the MP4 file you want to convert. Double click on the file to add it. Scroll down to the section that is labeled as “Output Format” and set it to “MP3.” Click on “Convert” to change the file from the MP4 format to the MP3 format.