This is the Revival installer tool that is/will be required for installing any Revival modifications from 1.5 onwards. Many major,modern modifications by the community,such as Nagahaku 3.0 and its supplementary NagaOptionals 4.2,will also require this installer and will not be compatible with its previous version(s).
-Unzip in any directory along with all of the included .dlls.
-Execute the launcher. In the main menu, select Utilities->Modifications->Install, and select the mod you wish to install.
You will be presented with a installation dialog featuring patch notes and optional components. Select any optional modifications you want and press the install button.
Note: Modifications themselves don't need to be unzipped to be installed.