What are the computer requirements for NNWIFI Internet? Recommended requirements: Pentium 233mhz or higher; Windows 98 or higher; 64MB RAM or higher; 100MB free hard drive space. You need to have an Ethernet port on your computer or a wireless router with a wireless card in your computer to receive our service. All newer computers have an Ethernet port; for an older computer you can purchase a card at the time of install to add an Ethernet port. You can also purchase wireless routers and cards from us directly.