conect windows

Hello, I bought some of your lamps but I have some questions.
When using google assistent I can not program the time to turn on and off and have another problem, I want to use it on the pc because I have a windows tablet that is to use on all stmart wifi equipment but I can not get a program for windows that is compatible. which is what I can use that is compatible with yours and preferably with google assistant because they are all of them.