This download provides the end-user Redistributable that developers may include with their product. The redistributable license agreement covers the terms under which developers may use the Redistributable. If you choose to distribute the Redistributable Code, you must include the files as specified listed in the Redist Directory Read Me file. If anyone knows how to install this running Windows XP - Please leave a comment. When I run dxsetup.exe and click on install it just shows a popup 'Install succesful' but nothing happens. No reboot, no updated DirectX... Download DirectX 8.1b Redist Install for Windows 98 / 2000 / Me /XP