Driver Installation for 32-bit and 64-bit Platforms

Updated: July 21, 2008

File name: 32-64bit_install.docx
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If your hardware device will be installed on both 32-bit platforms and 64-bit platforms, you must provide a native driver package for each platform. You can, however, use a single 32-bit installer to install either driver package. This paper provides information about how to use a 32-bit installation program to install either 32-bit or 64-bit drivers for the Windows family of operating systems.

This information applies for the following operating systems:
Windows Server 2008
Windows Vista
Windows Server 2003
Windows Server 2003 64-Bit Edition
Windows XP
Windows XP 64-Bit Edition

For up-to-date information, see “Device Installation Design Guide” in the WDK documentation.

Included in this white paper:

• Installation Considerations for 64-bit Platforms

• Driver Installation Packages for 32-bit and 64-bit Platforms

  • Driver Packages

  • DPInst Installation Packages

  • Driver Package Installers

  • MSI Installation Packages with DIFxApp

• Examples

  • Launching the Correct Version of DPInst from an Installer

  • Launching the Correct Version of DPInst from a Command Script