You need to get the YoLink app for either Apple or Andriod devices – it’s under “Lifestyle” in the Apple app store.
Once installed, you’ll have to create an account, with your email address and phone number. They need these so when there’s a leak, they will notify you via the app, texts, email, etc.
Once you’ve got that installed, you’ll need to add all your devices to your account via the app to bring them into your system. Click here to learn how.