The GPRS via IRDA Windows Driver refers to a driver that allows your computer to connect to a GPRS (General Packet Radio Service) network using an Infrared Data Association (IrDA) device. Essentially, this setup allows you to use your computer's infrared (IR) port to establish a GPRS connection with a compatible mobile phone or device, which can then be used for mobile internet access or data transfer.

This driver is typically needed when you want to connect a mobile phone (with GPRS capability) to your Windows PC via infrared to access the internet or perform data transfer tasks. GPRS is an older mobile data service, and IrDA is a wireless communication standard used in older devices for short-range, line-of-sight communication.