HOW CAN I CHANGE MY HP PRINTER CONNECTION FROM USB TO WIRELESS WITHOUT MY INSTALL DISC?

i have an hp c6180 all in one connected to a cpu with usb cable. i want to connect it wireless now so i can use it with the cpu and a new laptop. the instructions call for the the wep and the install disc. i have the wep but can not find the disc. is there a site i can burn a copy of the disc or download the required information to do this?HOW CAN I CHANGE MY HP PRINTER CONNECTION FROM USB TO WIRELESS WITHOUT MY INSTALL DISC?
Go to HPs site and download the software.HOW CAN I CHANGE MY HP PRINTER CONNECTION FROM USB TO WIRELESS WITHOUT MY INSTALL DISC?
hp.com