Windows 7 or Windows 8?

The article examines two operation systems: Windows 7 and Windows 8, provides the capabilities of these systems, the shortcomings and deficiencies of the new OS. The authors tested Windows 8 with various programs, told about the problems that can occur when you run Avast Antivirus on the new OS, how to fix the problem of a black screen. The article describes innovations and features of the new Windows and its comparison with Windows 7. The authors put the attention on the fact that Windows 8 has changed so much the desktop themes and look over the new interface Metro.