Forge 1.12.2

1. Download and install the recommended version of minecraft forge for 1.12.2 here

2. Download the latest version of Ares forge from this page

3. Move the downloaded Ares file into your minecraft mods folder (.minecraft/mods)

4. Run minecraft forge for 1.12.2

Fabric

1. Download and install fabric for the version you want here

2. Download the latest version of Ares fabric from this page

3. Move the downloaded Ares file into your minecraft mods folder (.minecraft/mods)

4. Run minecraft fabric for the version you installed