The operating system is distinguished by its complexityThe operating system is distinguished by its complexity
Windows 8 shopping cart with the operating system insideWindows 8 shopping cart with the operating system inside
Three-dimensional logo of the windows operating systemThree-dimensional logo of the windows operating system
Windows operating system logo in the "matrix" style"Windows operating system logo in the "Matrix" style"
The logo of the ios operating system. the number 7 on a green backgroundThe logo of the iOS operating system. The number 7 on a green background