Next go to mixamo.com
Then go to ‘Rig’ and upload your character
*Note - Model/Character must humanoid and <30MB
Recommendations for Texture Uploads
FBX Format
If you are uploading an FBX file, make sure that the embed media optionis selected when you export the FBX.
OBJ Format
If you are uploading your character as an OBJ file, follow these steps:
1. Export the character as an OBJ with materials option on
2. Take the OBJ, MTL, and texture files and zip them
3. Upload the ZIP file to Mixamo.com
Next, Rig your character
After rigging is complete, click preview and done.
Next download the rigged model in FBX
And now the character is completely rigged.