Minstall 2.1 [portable] -

Typically, minstall is not installed via a repository but is bootstrapped.

Whether you're a system administrator or a power user, MInstAll functions as a lightweight, flexible alternative to traditional WPI (Windows Post-Install) tools. Key Features of Version 2.1: Automated Deployment: minstall 2.1

It provides a unified installation engine so that all multimedia drivers and software follow the same setup logic. Other Version 2.1 Mentions Typically, minstall is not installed via a repository