# Windows requirements and compatibility

> Check the supported versions and compatibility information before you start developing for Windows.

Check that your Windows setup meets Unity’s OS, CPU, graphics, and IL2CPP tool requirements.

Before you begin to develop a Windows application in Unity, check Unity’s requirements and compatibility information for Windows.

## Windows version support

Unity supports Windows 10 version 21H1 (build 19043) or newer.

## CPU support

Unity supports the following CPU architectures:

* x86, x64 architecture with SSE2 instruction set support
* Arm64

## Graphics API support

Windows devices support DirectX: DX10, DX11, DX12, and Vulkan capable GPUs.

## Additional requirements

The IL2CPP scripting backend requires Visual Studio 2019 with C++ Tools component or later and Windows SDK version `10.0.19041.0` or newer.

## Additional resources

* [System requirements](/engine/6000.6/manual/get-started/install-and-upgrade/getting-started-installing-unity/system-requirements.md#desktop)
* [DirectX](/engine/6000.6/manual/platform-specific/cross-platform-features/graphics-apis/using-dx11gl3features.md)