Uploading custom avatars and worlds to VRChat requires using Blender, Unity, and the VRChat SDK. Below is a simplified step-by-step guide to help you bring your creations into VRChat.
If making your own, use Blender to model and rig your avatar.
If using a pre-made avatar, ensure it is VRChat-ready (supports Unity and includes an armature/skeleton).
Download and install Unity Hub and Unity 2019 or Unity 2022.3.22f1 (VRChat's compatible version) from Unity’s website.
Download the VRChat Creator Companion (VCC) from VRChat’s website.
Use VCC to install the VRChat SDK (Software Development Kit), which helps upload avatars.
Open Unity and create a new 3D project.
Drag your avatar file (.fbx) into the Unity project window.
Ensure the rig type is set to “Humanoid” in the Inspector panel.
Select the avatar and go to Inspector → Materials.
Assign any missing textures or materials to your avatar.
Open VRChat SDK → Show Control Panel and log in.
Click on Builder → Build & Publish for Windows.
Fill in avatar details (name, description, etc.).
Click Upload—your avatar will now be in VRChat!
Design your world using Blender (or download a VRChat-ready world).
Export your world as a .fbx file for use in Unity.
Install Unity 2019 or Unity 2022.3.22f1 and the VRChat Creator Companion (VCC).
Use VCC to install the VRChat World SDK.
Open Unity and create a new 3D project.
Drag your world file (.fbx) into the Unity project window.
Place lights (Directional Light or Point Lights) for proper illumination.
Add colliders (Box Collider or Mesh Collider) to prevent players from falling through objects.
Create an empty GameObject and name it “Spawn Point.”
Move it to where you want players to spawn in your world.
Attach the VRCWorld prefab (from VRChat SDK) to your scene.
Open VRChat SDK → Show Control Panel and log in.
Click Builder → Build & Publish for Windows.
Fill in world details (name, description, etc.).
Click Upload—your world is now available in VRChat!
✅ Always optimize avatars & worlds for performance (reduce poly count, use compressed textures).
✅ Use Shading & Lighting properly to enhance visuals.
✅ Test your avatar or world in Unity before uploading to catch errors.
✅ Engage with the VRChat creator community for feedback & support!
YOUTUBE TUTORIAL LINKS
1. Uploading Your First VRChat Avatar! | Beginner's Unity Tutorial
Description: A comprehensive guide on uploading your first avatar to VRChat using Unity, tailored for beginners.
Link: Watch here