Download Atoms Unreal from here.
Extract the Atoms Unreal folder from the zip archive.
Copy the Atoms Unreal folder to:
C:/Program Files/Epic Games/UE_4.24/Engine/Plugins
4. In order to use the Atoms demo assets set this environment variable:
ATOMS_DATA=C:/Program Files/Epic Games/UE_4.24/Engine/Plugins/AtomsUnreal/AtomsData
Licensing:
Importing and playing atoms caches doesn't require a license. For realtime live simulation you need to install an atomsRealtime license.
Floating license:
Set the environment variable
toolchefs_LICENSE = 5053@localhost (change localhost to your hostname where the license server is running)
Node lock license:
Set the environment variable
TOOLCHEFS_LICENSE_PATH=C:/Program Files/Toolchefs/rlm/atomsRealtime.lic (or where your license is located)