NeatScatter for 3ds Max Trial
Trial version is functional for 15 days and needs to have internet access to activate during installation.
Limitation of trial version is, you can’t convert scatter to mesh or real instances. You can render scattered objects, though.
Trial installer for 3ds Max 2016
Trial installer for 3ds Max 2017
Trial installer for 3ds Max 2018
Trial installer for 3ds Max 2019
Trial installer for 3ds Max 2020
Trial installer for 3ds Max 2021
Trial installer for 3ds Max 2022