with the pc off unplug all cables, shut off power supply switch, hold power button in for 15 secs. to 1 min. to discharge capacitors, open up the case, take out the blockoff plate for the slot the wireless card aligns with, touch the metal pc case as you take the wireless card out of the packaging and snap it into the socket, put the case cover back on, re-attach all cables, turn power supply switch back on, boot up the pc and the driver may self-install or if the driver doesn't self-install you can put in the software disk that came with the wireless card, find the driver folder and open it, find the driver for your operating system(Win7_64, maybe) making sure you know if it's supposed to be 32 or 64 bit, drag and drop the correct driver folder to the desktop, go to control panel>device manager>right click on the asus network card>select update driver>select browse pc for software>select desktop and guide it to the driver folder on the desktop>click next. the driver should install, then you can use the windows wireless management software as usual.