Windows Installer on 64-bit Operating Systems
On 64-bit operating systems, Windows Installer installs and manages applications consisting of 32-bit or 64-bit Windows Installer components. The following sections describe Windows Installer on 64-bit systems.
About Windows Installer on 64-Bit Operating Systems
Using 64-Bit Windows Installer Packages
For information about 64-bit merge modules, see Using 64-bit Merge Modules.