When heading to Pier 7, be mindful of the time as it gets very crowded. On the pedestrian bridge, take the stairs down to the left. Going straight will lead you to the Star Ferry. After descending the stairs, turn left, and you'll see the bus stop. Ask the staff for assistance and purchase your ticket. Save the QR code to your photo album and download the Rickshaw Sightseeing Bus app. Scan the QR code into the app and show it to the staff to get priority access and board the bus first. They will give you a card as proof of priority access. You still need to queue for the bus, and the staff will ask you to scan your ticket using the app. Before boarding, the staff will collect your priority access card. You'll need to scan your ticket again using the app when you get off. You can get off at any stop. Boarding is centralized in Central to secure good seats. The whole trip is very interesting, and the H2K route goes through the underwater tunnel, which I highly recommend.