This Theme requires Patching. uxstyle.com/
The theme has the following changes compared to the Default RTM theme.
1. Inactive border color follows active border color, just slightly darker.
2. Windows 7 style like minimize, maximize and red close button etc.
3. Black text in Windows Borders and ThumbnailLivePreview changed to white.
How to use/install:
Copy the RTM Dark Aero folder and the 3 .theme files to C: Windows Resources Themes.
You may need to take ownership and full control of the folder C: Windows Resources Themes.
There are 3 themes included.
One with a modified Taskbar as seen on the picture, and one with the default Windows 8.1 Taskbar+1 with the default Windows 8.1 caption buttons.
Small adjustment made on aero stealth theme
Small adjustment made to the Disabled Navigation Arrow.
It now fits better for all windows/border colors.
Minimize,Maximize and Close Botton has been adjusted 1 pixel higher to the same size as Windows Default. This makes them fit better with non black colors.
The old 1 pixel lower versions are in the old folder. You can copy them into C: Windows Resources Themes RTM Dark Aero, if you prefer these.
A new Theme (Name=Windows 8.1) with the default Caption Buttons has been added.
Small adjustment on the Default Windows 8.1 Caption version.