HappyPOS is designed to be installed and maintained as simple as possible. Customers can order the device to install it. Just plug in and follow the device's manual. HappyPOS Will search and install automatically. And we have a team ready to assist you online until you have successfully completed all the functions. And free to try 15 days without any conditions. Download And try it out without the need for any equipment. And after the trial, If you want our staff to demonstrate the use of equipment. It will cost 1,900 baht. (Only Bangkok and its vicinity. The provinces area, cost will increase by distance.) After the demo, if you decide to buy equipment and usage plan, this fee will be deducted from the monthly fee until the amount is reached.