Windows Installer -

: While users see features, the installer actually manages components . One feature can consist of multiple components, which are the smallest coherent units (files, registry keys, etc.) that the installer installs or removes together.

When authoring an installation package , developers define features in the Feature Table of the MSI database. This allows for: Windows Installer

: Features are designed from the user's perspective. Users can select which features they want to install via the installer's SelectionTree Control . : While users see features, the installer actually

In the context of the , a feature is a specific part of an application's total functionality that a user can recognize and choose to install independently. For example, in a productivity suite, a feature might be a spell-checker, a thesaurus, or a collection of clip art. Key Characteristics of Windows Installer Features This allows for: : Features are designed from

: Installing certain features only if specific launch conditions (like a specific OS version) are met.

: Reinstalling or repairing specific features rather than the entire application if files become corrupt.