NOTE : This procedure applies to the Linksys Wireless Router WRT54GS - but the general settings and descriptions can also apply to other wireless routers - although the format will be different and some of the terms may have some variation. How to Set Up a Linksys WRT54G Wireless G Router;. Share; Share on Facebook; Setting up a Linksys WRT54G series router requires two steps. First. These names are found by selecting: START - Control Panel - System - This brings up the 'Systems Properties' window - next CLICK the ' Computer Name' TAB: Host name corresponds to 'Full Computer Name' on this tab. Wi-Fi. Setup Step Visit the Web address in any Web browser on a computer connected to the router. Log in with the password admin, leaving the user name blank. If that doesn't work, enter admin in both the user name and password fields. WRT54G Basic Setup MAC Address Clone Advanced Routing: Internet Setup. Local IP Address: This is the address of the router.