To be blunt: Anyone offering a "Themida 3.x One-Click Unpacker" is likely providing outdated software or, worse, malware.

What (e.g., x64dbg, Scylla, IDA Pro) do you currently have set up? Are you dealing with a 32-bit or 64-bit executable?

Converting the obfuscated bytecode into an Intermediate Representation (IR).

: For a more manual approach, use x64dbg equipped with the ScyllaHide plugin. Setting the profile to "Themida x86/x64" helps bypass most anti-debugging checks.