Microsoft launches Windows 10

Technology giants Microsoft has announced the launch of windows 10 operating system.

Devices you already own including qualified windows 7 and windows 8.1 devices can be upgraded to the full version of windows 10 for free.

Windows 10 upgrade for windows phone 8.1
May vary from mobile operators or carriers and original equipment manufacturer (OEM).

 Users need 3GB download for the upgrade and the devices must be connected to the Internet with windows update enabled.

According to Microsoft the upgrade is available within one year of availability which commences July 29.