(C1) How To Install The Modpack - gamerpotion/DarkRPG GitHub Wiki
The easiest way to install DarkRPG Fabric Edition is to use the CurseForge Client
Head over to - https://download.curseforge.com/
Download and install the app.
Then once you have set everything up and input your account details, under the Minecraft section, click on "Search Modpacks" search for "darkrpg" and download the modpack by clicking on install. The installation time will depend on your internet connection.
Once installation is complete it will show the modpack logo in the 'My Modpacks' section and have a 'Play' button.
After installation is complete, click on the Play button. This will launch a vanilla Minecraft window, then click on Play in the vanilla Minecraft window to load into the game.
Support for custom launchers is not given but if you do want to use a custom launcher, PolyMC can also be used, which allows you to install the modpack by importing the zip file. This method can also be used on other custom launchers.
Get the latest Modpack Zip file and Server Pack file from here - https://www.curseforge.com/minecraft/modpacks/darkrpg/files
Note: This is a modpack (collection of mods) and will not function as a regular mod if you place the file in the mods folder.