TS-UGOS FI, also known as TS-UGOS 15 (codenamed Aqua), is a graphical operating system developed and released by Theorysonic. It was released on June 22, 2013.


The first beta version was released in September 2012.

New featuresEdit

  • Minor improvements.
  • New Theoryshop icon.
  • New flat icons.
  • Optimized storage.
  • Optimized performance.


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