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Regarding Obsidium folders

After I have installed TeraCopy from a Japanese site (

https://forest.watch.impress.co.jp/library/software/teracopy/), I found

an Obsidium x64 folder in the Roaming folder and .obs64 folder under the user folder. There is also an registry like “

\HKEY_CURRENT_USER\Software\Obsidium x64”.

What are these ?

2 comments

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Comments2

  • Code Sector

    Team•

    Oct 30, 2025

    They are used by Obsidium, the protection and license key management system that we use.

    • Mitsumasa Ohta

      •

      Oct 30, 2025

      I see. Let me continue to use TeraCopy for free.