Windows 8 is the most beautiful version of Windows ever released with tons of beautiful features like Metro Interface, Tiled screen, a new start menu and thousands of new Windows icons. In this post , i will post most popular Windows 8 themes which are available for free. See the screenshot below and just click on any link to start direct downloading.
You can download these beautiful Windows 8 themes absolutely free from here :

• Aqua Dynamic
• Forests
• Bridges Panoramic
• Spectacular skies
• Cityscape Panoramic
• Captured Moments
• Limited Edition Artists
• Forests Panoramic 
• Blue Water
• Waves Panoramic
• Furry Familes
• Peru
• Ferrari
• Futuristic Fractals
• Light and Dark    

These theme packs can only be used in Windows 8, Windows RT, and in Windows 7 Home Premium, Professional, Enterprise, or Ultimate editions. Themes in the Windows 8 theme format (such as panoramic themes) can only be used in Windows 8 or Windows RT.