The June 2010 package is often the last version that works on Windows XP. Later 2011 updates dropped XP support.
Microsoft no longer hosts the June 2010 redistributable on its main DirectX download page (that page now redirects to the DirectX 12 ultimate installer, which does include the legacy D3DX9/10 files). directx user runtime june 2010
Essential for backward compatibility; safe to install on all Windows versions from XP to 11; no performance downside. The June 2010 package is often the last
| OS | Supported | Notes | |----|-----------|-------| | Windows XP SP3 | Yes | Last version to fully support XP | | Windows Vista SP2 | Yes | | | Windows 7 | Yes | No issues; adds missing legacy files | | Windows 8/8.1 | Partial | Some files already newer, but runtime adds legacy D3DX9/10 | | Windows 10/11 | Partial | Often still required for older games | Essential for backward compatibility; safe to install on
directx_Jun2010_redist.exe /Q