Start by connecting a primary node with the ethernet cable to the router and switch it on. For the further Linksys a Atlas Pro 6 Setup you will need a Linksys App so make sure you have downloaded and installed the same on your device. Now create an account on the app and follow the on-screen instructions for further setup. During the set-up, a verification email will be sent to you by the Linksys Team click the link in the email. Once you are connected you can use the app for different settings like changing the name and password, setting up a guest network, blocking the internet with the parental control feature for kids, and much more. The Linksys app is compatible with iOS 14.1 and later and Android6 and later so make sure you are using these versions only. You can further add secondary nodes to the other nodes either wirelessly or with the help of an ethernet cable.