Right-click the newly created AAC file from the right pane and choose 'Show in Windows Explorer.' Then click 'File' > 'Convert' > 'Create AAC File.' Select the modified MP3 file in iTunes Library. On the 'Song Info' page, check the boxes of 'Start' and 'Stop,' and then input the start and stop time of the track you wish to use as a ringtone. Right-click the MP3 files and choose 'Song Info.' Drag the MP3 files to your iTunes Library. If you don't, here are some of the websites that offer some of the best ringtones. But if you have plenty of time to do this, follow these steps to do it.īefore that, make sure you've installed the latest version of iTunes on your computer and make sure you've downloaded the MP3 files for use. Some of you may mess with the 'process' for several hours and end in failure. The hard part is not the download of MP3 files but the process to sync the MP3 file to your iPhone. ITunes is Apple's suggested way to generate a ringtone. Download Free Ringtones on iPhone with iTunes