Hi, you can take it. You can directly buy the airport express ticket at the Airport Express Customer Service Centre or Ticket Issuing Machines in the airport and take it at the airport grand transportation center. There are signs leading you find it easily. After get off at the Kowloon station, you could take the express free bus K3 direct to your hotel. It costs HKD90.

By the way where can i purchase the ticket from airport which way to go after claim the luggage?The express K3 can direct to Stanford hotel 118 soy street mongkok?So all the way i just need to pay HKD90?

After claim baggages and customs, there will be many directions guiding you to the Airport Express station. The ticket could be purchased at the nearby ticket booth on the spot. Yes, the fare to Kowloon is HKD90/adult.

After arrive at Kowloon, please follow the directions to take free bus K3, which has one stop just at the Stanfor Hotel. It's better to tell the driver your desintation when boarding on.