INF File
Definition
A Setup Information file that declares package installation and hardware support.
Detailed explanation
An INF File is a text-based Setup Information file that declares how Windows associates a driver package with hardware. It can list hardware IDs, services, files, registry values, setup classes, and architecture-specific sections. The INF describes installation; the referenced binaries and signed catalog remain separate package components. Models sections can vary by CPU architecture and Windows target, and decorated identifiers let publishers narrow support to a release family. Windows ranks exact and compatible matches from these declarations; a readable device name is only one visible result of a much larger setup contract.
Where you are likely to see it
This term usually appears in Device Manager, Windows recovery tools, Event Viewer, or the installation details for a device package. The definition above gives the short meaning; the detailed explanation describes the term's role in the operating system and hardware stack.
Device status, hardware IDs, and event text identify which Windows subsystem produced a label. This glossary is informational and does not provide repair, installation, or technical-support services.
Related vocabulary
Explore connected concepts and nearby entries in the Windows hardware vocabulary.
- WHQLWindows Hardware Quality Labs, Microsoft’s certification program for drivers.
- Device ManagerThe Windows interface that displays Plug and Play devices and driver associations.
- IRQInterrupt Request, a mechanism for hardware to request processor attention.
- Kernel ModeThe highly privileged execution context used by the operating-system kernel.