Simply put the .pkg in your data folder. When choosing a map make sure to choose the ReneUnleashed5.0.pkg in the drop down up top, and then add your maps. 

Also you MUST have the latest version of TT(Tiberian Technologies)/Scripts installed. That can be found at: https://www.tiberiantechnologies.org/Downloads . If you already have it installed you're good to go.

!!!IF YOU WANT TO HOST A DEDICATED SERVER IT'S HIGHLY RECOMMENDED YOU DOWNLOAD THE SERVER PACKAGE INSTEAD!!!