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GIMP (unless you change the setting of theme to "system" - GIMP has quite customizable GUI) Autodesk AutoCAD (I guess any Autodesk soft) These will NOT be affected fully (or not at all): Other programs with GUI that WILL be fully affected by changing (AERO-based) Windows theme: If you're curious, some other programs will also be affected by changing Windows theme. All the instructions you'll find in the link. Just remember to first patch your system settings in order to allow proper installation of external visual styles (themes). I checked it on my computer - no viruses. If you like dark GUIs, you can give this theme a chance. I personally love this theme - it's elegant, reducing contrast on my screen and strain of my eyes. But if you know ArchiCAD and your system well enough, this shouldn't be a burden. Gotta say, this theme is really dark and you may find some icons hard to see (both in OS and ArchiCAD GUI).
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Nice option if you have ArchiCAD 20 or newer, which will not run if you change your Windows theme to classic.
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Its appearance is based on Steam and its code is based on AERO theme which is default for Windows 7. I did some experiments and installed this one: Unfortunately we cannot change the theme of ArchiCAD itself but you can change themes of Windows.
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