 They also agreed to fixed limits on how many pop-ups they can generate on a computer (maximum of 5 per day, 1 per hour), the requirement to provide a mute button for any sound content in the pop-ups and be able to close the windows, and provide a hyperlink with toll-free number and email utility, to request stopping the pop-ups under certain conditions.The defendants also promised to clearly label any single-click download or install buttons, and not pre-select these as the default.They are also required to not represent that consumers have any "legal" or "contractual" obligation to pay for the software unless the computer owner has provided personal identification and agreed to pay, and that failure to pay will result in collection proceedings or affect the computer owner's credit status unless the owner has provided personal identification such as a credit card and agreed to pay.