I do not get why all these people be have problem install this . electronic thing be not my forte . I be the `` hit the big button '' type . you disconnect you current modem . you put this one in , in it be place . it do have its own power cord , so you will need to climb under\/around the desk to get that square away . it turn on . call you cable company , they need some number off of the include paperwork . they do they thing . they may ask you to unplug the power supply from the back of it , so go ahead and do that . they will tell you when to plug it back in , so do that too . voila ! I be a 64 yr old grandmother with Comcast Cable . my friend who be 72 and have Charter do the same thing .