Windows 10 Free Upgrade Available in 190 Countries Today

A laptop computer running the new Microsoft Windows 10 operating system is on display at a retail store in New York City on July 29, 2015. Windows 10 free upgrade is Available 190 Countries Today. It is the biggest update to Windows in years and represents a number of new directions for Microsoft's premier software product. Windows 10 replaces Windows 8 and 8.1. Photo by John Angelillo/UPI