https://home.nest.com/
Log into the Nest app
Sign in to the Nest app in your web browser with your Google Account or non-migrated Nest Account. Connect your Nest Thermostats, Nest Cams, Nest Doorbell, or...
the nest applog into
https://support.google.com/googlenest/answer/9293015?hl=en
Manage homes and products with the Nest app - Android - Google Nest Help
Important: Use the Home app to manage home members who share access to your Nest products. Keep in mind that only home members who also sign in with
the nest appgoogle helpmanagehomesproducts