The document provides instructions for installing RAM and a wireless network interface card (NIC) in a computer tower. It advises checking the existing RAM amount before installation. When opening the tower, take anti-static precautions and carefully locate slots to insert the new RAM and place the wireless NIC. After closing up, check that the NIC is functioning and that the RAM amount increased as expected. It also provides brief directions for connecting to a wireless network by selecting the network name and entering the chosen password.