1. Open Unreal Editor.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-1.png)
2. Delete every CC Character along with its CC_Auto_Setup_Material_Instances folder that was created by CC & iClone Auto-setup.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-2.png)
3. Delete the current Project > Content > CC_shader folder.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-3.png)
4. Close Unreal Editor.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-4.png)
5. Delete the current Project > Plugins folder > Auto Setup #.##.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2n3-5.png)
6. Go to the C:\Users\Public\Documents\Reallusion\Shared Plugin\Auto Setup\ folder to the New Auto Setup that you have downloaded.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2-6.png)
7. Open the folder for the correct version and select all of its contents.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2-7.png)
8. Copy and paste the contents into your Unreal project.
![](https://kb.reallusion.com/Uploads/Images/CC/v3.1/image2-8.png)
9. Your directory should resemble the figure below.