1. First, you need to enter the hotel lobby and find the elevator. At the door of the elevator, you will see a row of digital buttons corresponding to different floors. You need to press button 25 and wait for the elevator to arrive.

2. When the elevator reaches the 25th floor, you will hear the prompt sound in the elevator and see the 25th floor on the display screen. At this point, the elevator door will open automatically and you can get there.