How do I install Realms of Old?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Realms of Old work with?

The listing gives Minecraft 1.21.1. This is the version stated by the author or source site, not something we verified ourselves.

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Realms of Old

by qwerty_dork · on Modrinth

This modpack adds a whole new level of immersion into the minecraft world. Explore new dimensions, mobs, and items

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

Step beyond the familiar… and rediscover Minecraft as a world of myth, danger, and forgotten power.

Realms of Old is a deeply immersive modpack that transforms your survival experience into an epic journey across ancient dimensions, reimagined worlds, and richly layered gameplay systems. Every step forward feels earned, every discovery meaningful.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Downloads as RO Dev Instance (1.21.1) 0.0.7.mrpack
Download size: 12.4 MB
Download link checked 22 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Modpacks for Java All Minecraft Java mods Java mods for 1.21