open the moth room and enter the password "Guest" again if you like.

Learn how to access the Umbrella 'Rodem' System in Resident Evil 2 (1998) by using the 'Guest' username and registering fingerprints to unlock the B4F culture room.

Alright, so you've made your way down to the B5F computer room and grabbed the Lab Card Key. Now it's time to access the Umbrella 'Rodem' System. You'll need to use the username "Guest" here. After that, it's time to register your fingerprint. Don't worry, this is a standard procedure for both Leon and Claire in either scenario. Once you've done that, the system will confirm your registration, noting that 'Guest' accounts are only valid for 24 hours. This access is crucial, as it allows you to unlock the door to the B4F culture room. Just be prepared for a bit of a surprise when you first enter the computer room – a Giant Moth and its larvae might be waiting for you!