The first thing that is required at the end system installation Operation Windows 7, it is Language setting and the region in which you are. Depending on these items, Windows 7 will install on the system one Aero Teme Pack as representative as possible for the location you how in Romania most use the system in english language (United States), se va instala pack-ul Aero Themes for United States or the default pack for Windows 7 (Windows 7 RC).
Apart from the homework installed themes, on the system there are other teme aero, specific to some regions / countries but these are not available / visible in Appearance and PersonalizationPersonalization.
How can we see and activate Windows 7 hidden themes.
1. Copy / Paste : C:WindowsGlobalizationMCT in Start Menu – box: Search programs and files & Enter.

2. The folder that will open, contains some packs of regional aero themes.

In our case, we discovered wallpapers & aero themes din Australia, Canada, United Kingdom, United States si South Africa.
Enter the Folder Le Regioanale /themes and do double-click for install If use or theme Windows 7.

Also in these folders you can find the collections of regional wallpa ale Windows 7.
African Elephant Walking on Savanna, Marakele National Park, South Africa

Collections of themes For Windows 7 you can also find on the official Microsoft page. Windows 7 Themes.
Show Hidden Regional Aero Themes in Windows 7
Stealth Settings .