Windows, evolution of a logo

This short video shows the evolution of the Microsoft Windows logo, from its debut in 1985, through to the unveiling of the new logo featured in Windows 8.\r
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Since Windows 10 is finally here, I made this short animation on the evolution of the Windows logo. :) *All images used are owned by Microsoft.\r
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animated evolution of the windows-logo soundtrack by the xxs – intro.\r
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The 2015 version was made because Windows 10 is out.