Users will need to set the smartphone/tablet’s Wi-Fi network to “PCCW Free” and launch the web browser at any PCCW Wi-Fi hotspot providing free service, then type any URL into the address field to be redirected to the free PCCW Wi-Fi trial registration page. Follow the registration steps to complete the process and enjoy free Wi-Fi. No prior registration is necessary.
I think you need to input the first four of your HKID and mobile number for activation. If you’re visiting I’m sure you can just enter some arbitrary ID number.