LIVE: Windows 10 launch: Live Blog!

This is it, chaps: the biggest day(s) of the year for Microsoft and its fans. Windows 10 is now live. We have heard announcements from not only Redmond campus and also from the firm's constellation of partners, as the new operating system rolls out through Microsoft's free upgrade program.We expect to receive announcements regarding the new desktop, laptop and tablet hardware that will be prepared to run Windows 10 out of the box. Plus, Microsoft is holding Windows 10 fan events all over the wor