Driver Modem Nfa-01a Where Can I Find The Usb Modem Driver For My Motorola W 315 Phone?

Where can i find the usb modem driver for my motorola w 315 phone? - driver modem nfa-01a

Currently I have access through my phone to the network. I have my laptop. I use my phone on my home PC. but I forgot where I can not find the modem driver on my laptop it either please help. i wqant mainly on the USB drivers on my cell phone as a modem on my home PC can take advantage of, can I use my laptop now.