Nest thermostat in Smartthings successfully

Finally got my thermostat on smartthings. Very cool stuff! Thanks for the instructions!


Can someone explain please a step by step how to d ok that I’m trying in the past 2 days to understand how I do that but it seems to be very confusion to me
Thank you

Use NST Manager by Tonesto. Much more functionality than the stock integration.

but where do i get NST Manager ? or where the step by step to work on it ? please