Installer - Windows

: Features can have a parent-child relationship. If a child feature is selected for installation, its parent feature is automatically included.

: Letting users skip unnecessary tools to save disk space.

: 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. 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 .

: Developers can author packages that allow features to be "advertised" but not fully installed until the user attempts to use them for the first time. Common Use Cases for Developers : Features can have a parent-child relationship

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

When authoring an installation package , developers define features in the Feature Table of the MSI database. This allows for: : While users see features, the installer actually

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