
The Skin menu lets you choose the visual theme used across the whole program. Open it from Skin in the top menu bar, then click the theme you want.
Three themes are available. They are mutually exclusive — selecting one clears the others, and a checkmark marks the theme currently in use:
The change is applied immediately to every window — the main screen and all dialogs (settings, license manager, the calculators, and so on) — with no need to restart.



Note — Your choice is saved and reused automatically the next time you start the program, so you only need to set it once.
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