InstallShield: Project Design To Target Both 32-Bit and 64-Bit Systems

How to: Approaches to support both 32-bit and 64-bit installations within one InstallShield project.

Ideas:

Go through these topics in InstallShield help manual first to understand the concept of Release Flags and how to use it along with Features Design, Template Summary Property and Conditional Launching.

1. Targeting 64-Bit Operating Systems with Basic MSI and InstallScript MSI Installations :http://helpnet.flexerasoftware.com/installshield19helplib/helplibrary/Targeting64Bit-MSI.htm
2. Targeting 64-Bit Operating Systems:http://helpnet.flexerasoftware.com/installshield19helplib/helplibrary/IHelp64BitSupport.htm#Introduction_3539228780_1027766
3. Using the Template Summary Property:http://helpnet.installshield.com/installshield16helplib/IHelpTemplateSummary.htm
4. Conditionally Launching Custom Actions Based on Release Flags:http://helpnet.installshield.com/installshield16helplib/IHelpCustomActionsReleaseFlags.htm
5. Preprocessor Directives:http://helpnet.flexerasoftware.com/installshield18helplib/mergedProjects/installshield18langref/LangrefPreprocessor_directives.htm