Unlike official .themepack files which only change the wallpaper and sounds, these exclusive files overhaul the entire UI:
Is it legal to use intitle:index of to find exclusive Windows 7 themes? intitle index of windows 7 themes exclusive
Windows 7 included several high-quality "exclusive" themes that were only visible based on the region selected during installation. However, these remain stored on every installation and can be manually unlocked. : C:\Windows\Globalization\MCT Unlike official
Installing a new theme on Windows 7 is a relatively straightforward process. Here's a step-by-step guide: intitle index of windows 7 themes exclusive