This guide will let you know how to play with Friends Online at Super Mario Party. Go through the guide, and follow the simple steps to do so.
First, you will need to go to Board, and it will give you the option to play online or offline. You have to select the online play to connect to the network, and you also need to connect to the internet to play online. You have to select the Friend Match option in the online lobby, as shown in the image below.
After that, select two players on the system or select to play upto four people on each system online. After selecting it, you need to click on create room and join it, as shown in the image below.