# Hierarchical Level-of-Detail
Enable Hierarchical LODSystem
Before using HLOD you need to enable it in World Settings. Navigate to Windows / World Settings / Enable Hierarchical LODSystem. After enabling this feature you can navigate to: Window / Hierarchical LOD Outliner in order to bring up the HLOD window below.
# Hierarchical LOD Window

| No | Color | Description | 
|---|---|---|
| 1 | —— | Hierarchical LOD Actions | 
| 2 | —— | Status bar | 
| 3 | —— | Settings Widget | 
| 4 | —— | LODLevels/Cluster(LODActors) Scene Hierarchy | 
| 5 | —— | Enable Simplygon for Proxy Generation. | 
See Epic's HLOD Outliner Reference (opens new window) for more details.
# See also
HLOD
 Epic's HLOD Overview (opens new window)
 Epic's How-To's Enable HLOD (opens new window)
 Epic's HLOD Outliner Reference (opens new window)
 Epic's HLOD Tutorial (opens new window)
