What does 64-bit operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

What does desktop operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Apple has long been the lone wolf of the personal computer industry in maintaining its own operating system instead of licensing Microsoft’s Windows as rivals do. Tuesday it struck out further ...

The tech giant has announced its biggest overhaul of its tablet’s operating system, introducing pointers, menu bars and windows to make it like a real computer.