The introductory documentation includes all the information you need to get up and running with Telegraf.
Downloading Telegraf
Go to the InfluxData downloads page to get the latest release of Telegraf.
Installing Telegraf
Installing Telegraf includes directions for installing, starting, and configuring Telegraf.
Getting started with Telegraf
Getting started with Telegraf walks you through the download, installation, and configuration processes, and it shows how to use Telegraf to get data into InfluxDB.