Installing the agent is very simple and easy step, first you need to make sure that the client is running a supported version of Windows
Obtain the required setup either 32 or 64 bit, then you can install the setup either manually or using silent installation remotely.
You can use the following command to install the agent silently using GPO or other scripting mechanism.
setup.exe /S /v/qn
Once agent is installed, you will be able to see the agent in the console within 2-3 minutes in Trigger-it console.