# microsoft-directx

Microsoft DirectX is a set of APIs and Windows components for creating games and other high-performance multimedia applications, including 2D and 3D graphics.

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## ReactOS Newsletter 40: Microsoft DirectX Runtime Support and Major Bug Fixes

DevFeed: [ReactOS Newsletter 40: Microsoft DirectX Runtime Support and Major Bug Fixes](<https://devfeed.tech/articles/newsletter-40-32906.md>)

Original publisher: [Read original article](<https://reactos.org/blogs/newsletter-40/>)

Published: 2008-05-05T00:00:00Z

Content type: news

Language: en

Sources: [Front Page on ReactOS Website](<https://devfeed.tech/sources/front-page-on-reactos-website.md>)

Topics: [ReactOS](<https://devfeed.tech/topics/reactos.md>), [microsoft-directx](<https://devfeed.tech/topics/microsoft-directx.md>), [systems](<https://devfeed.tech/topics/systems.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>)

Tags: [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [free](<https://devfeed.tech/tags/free.md>), [kernel](<https://devfeed.tech/tags/kernel.md>), [microsoft-directx](<https://devfeed.tech/tags/microsoft-directx.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [os](<https://devfeed.tech/tags/os.md>), [performance](<https://devfeed.tech/tags/performance.md>), [react](<https://devfeed.tech/tags/react.md>), [reactos](<https://devfeed.tech/tags/reactos.md>), [systems](<https://devfeed.tech/tags/systems.md>), [win32](<https://devfeed.tech/tags/win32.md>), [winapi](<https://devfeed.tech/tags/winapi.md>)

### AI overview

ReactOS Newsletter 40 reports that the Microsoft DirectX runtime loads on ReactOS after required files are copied manually. The installer and 3D support still do not work, but simple hardware-accelerated 2D works in VMware Workstation. The newsletter also describes timing, locking, and memory-manager fixes, including a reported 150% installation performance improvement in Alex Ionescu's tests.

### Source excerpt

Microsoft DirectX Runtime First, let me state that legally, according to the whole Windows Genuine Advantage and EULA, you're not supposed to install the MS DirectX runtime on nongenuine Windows systems. On the other hand, the runtimes that come with various games as a prerequisite to playing the game aren't technically bound by the WGA. That aside, the MS DirectX runtime now loads on ReactOS. To get DX on, you need to manually copy the following files: dxg.