@Spike1 Hmmm right.

@jupiter Have u tried on other browser or on your smart phone?

@Lord_Kelemvor Yeah you can go for the mesh system of 3 nodes and put in every floor in the straight line of sight for better signal performance and speed on WiFi.

@jupiter If you are seeing like this 👇🏻 because you are trying to access over https and Deco Web UI does'nt support https so you have to access Web UI without https like this http://tplinkdeco.net...

@Spike1 You can download from the link which is David provided to you.

@David-TP Thanks for your answer.