---
name: UE5 build process
description: How to build the PS_ProserveEditor UE 5.5 project from command line on Windows
type: reference
---

UE 5.5 is installed at `C:\Program Files\Epic Games\UE_5.5` (found via registry key `HKLM\SOFTWARE\EpicGames\Unreal Engine\5.5`).

Build command (Editor target, Development):
```
"C:/Program Files/Epic Games/UE_5.5/Engine/Build/BatchFiles/Build.bat" PS_ProserveEditorEditor Win64 Development -Project="C:/ASTERION/GIT/PS_ProserveEditor/Unreal/PS_ProserveEditor.uproject" -WaitMutex -FromMsBuild
```

**How to apply:** Use this command to compile after code changes. Timeout should be set to 600000ms (10 min) for safety. The target name is `PS_ProserveEditorEditor` (Editor suffix) for editor builds.

**When to use CLI vs Live Coding:**
- Live Coding (Ctrl+Alt+F11): .cpp only changes (no new UCLASS, USTRUCT, UENUM, UPROPERTY in headers)
- Full CLI build (UE must be closed): new files, header changes with new reflected types, Build.cs changes