[Help] Downgrade 4.0 to 3.9

I need to downgrade to version 3.9, if anyone knows where I can find please reply.
Note: version.ini
[Settings]
Version = 4.0.0.8

You find a link in the Aion Wiki

Called:
- Aion NA 4.x -> 3.9 Downgrader

Quote:

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Originally Posted by Dwarfpicker

You find a link in the Aion Wiki

Called:
- Aion NA 4.x -> 3.9 Downgrader

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Installed this downgrade, but the interface bug ..
Attachment 137347