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HTML5 Development Requirements

HTML5 development requirements including hardware, software, and SDK information.

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Unreal Engine 4.22
Unreal Engine 4.21
Unreal Engine 4.20

In this page you'll find hardware and software development kit (SDK) requirements needed to start developing for the HTML5 platform.

## Unreal Engine 4.23


Hardware Requirements
Recommended Desktop Hardware	See Hardware and Software Specifications.
Software Requirements
SDK Version	Emscripten 1.38.31
Supported Web Browsers	Google Chrome 64-bit, Firefox 64-bit

You can find the currently supported SDK version(s) in the UEBuildHTML5.cs file. You can find it in your [UE4 Root Director]/Engine/Source/Programs/UnrealBuildTool/Platforms/HTML5 folder.

Unreal Engine 4.22


Hardware Requirements
Recommended Desktop Hardware	See Hardware and Software Specifications.
Software Requirements
SDK Version	Emscripten 1.38.20
Supported Web Browsers	Google Chrome 64-bit, Firefox 64-bit

You can find the currently supported SDK version(s) in the UEBuildHTML5.cs file. You can find it in your [UE4 Root Director]/Engine/Source/Programs/UnrealBuildTool/Platforms/HTML5 folder.

Unreal Engine 4.21


Hardware Requirements
Recommended Desktop Hardware	See Hardware and Software Specifications.
Software Requirements
SDK Version	Emscripten 1.37.19
Supported Web Browsers	Google Chrome 64-bit, Firefox 64-bit

You can find the currently supported SDK version(s) in the UEBuildHTML5.cs file. You can find it in your [UE4 Root Director]/Engine/Source/Programs/UnrealBuildTool/Platforms/HTML5 folder.

Unreal Engine 4.20


Hardware Requirements
Recommended Desktop Hardware	See Hardware and Software Specifications.
Software Requirements
SDK Version	Emscripten 1.37.19
Supported Web Browsers	Google Chrome 64-bit, Firefox 64-bit

You can find the currently supported SDK version(s) in the UEBuildHTML5.cs file. You can find it in your [UE4 Root Director]/Engine/Source/Programs/UnrealBuildTool/Platforms/HTML5 folder.