Microsoft's stunning new operating system is finally ready for public consumption, starting tonight. The new OS is launching globally in more than 140 markets and in over 37 languages and you'll be able grab either Windows 8 or Windows 8 Pro (not to mention the Microsoft Surface), from 12.01am local time at participating US retailers including Amazon, Best Buy and Staples. Meanwhile, Microsoft will also be offering up its Windows 8 upgrade online. Anyone looking to upgrade their PC (and y
