Self-executing

The general rule is that constitutional provisions are self-executing, except when the provisions themselves expressly require legislations to implement them […]

Downloadable software can be provided in several different formats. Some automatically install themselves, but others require manual procedures. A downloadable file typically is set up as a self-installing executable file, self-executing zip file, […]

The other commonly used method is a self-executing package where the installer and the update are bundled into a single executable.