Windows 10 users to get free support for at least two years

Excited Microsoft fans anticipating the release of Windows 10 finally have an estimated free upgrade timespan thanks to a presentation quietly eked out by the Redmond-based firm.Working under the "supported lifetime of the device" mantra that it first mentioned in January, a presentation noticed by Computerworld explained that users of devices will get free upgrades for the first two to four years of each device's lifespan."Revenue allocated is deferred and recognised on a straigh