Hi, I'm Nathan.Sorry to hear that you're having trouble with this but I'll do my best to help you.
You need to first plug it in to a hdmi connection on your tv, as well as to power.
It will turn on automatically.
As long as you have the batteries in your remote, it will connect.
You'll be prompted to follow the steps on screen to pick your home wifi network, and then to put in your password.
After it is on the wifi, it will show a code on screen,
you'll go on your computer to https://my.roku.com/link
type that in, and it will set up your account.
Then you can start using your roku for apps like netflix.
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