This tutorial assumes you have already
- Read the Pre-requisites
- Downloaded the latest Forge MDK
- Setup your mod folder as described at the top of the main Forge 1.15.1 tutorials page
- Read and followed 1.0 - Gradle Configuration
- Read and followed 1.1 - Importing the project into your IDE
- Read and followed 1.2 - Basic Mod
1) Head over to https://github.com/join (You only need a free plan, theres nothing you need for modding that you need to pay for)