# Architecture

Architecture in this document will come to mean the type of machine CPU and corresponding Operating System (OS) blend that this application or game will only work on.

Status: Optional.

- Any: Nothing significant about this application or game which requires a particular architecture.
- x86: only a 32-bit architecture will do. Even though x64 OS/Architectures are supposed to be backwards compatible with 32-bit software unfortunately sometimes this is not always the case. For example, only 16-bit apps/games work on x86 machines.
- x64: only runs on a 64-bit architecture.
- DualArch: will run on either x86 or x64 systems... this only works with ppApps or ppGames exclusively.

See also:

SetupS File Specification (.app/.ppg)

DualArch-Installers

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