Free upgrade to Windows 10 from previous versions of the OS is maintained until December 31, 2017
In the middle of 2016 ended the annual advertising campaign for Windows 10, in which the users of Windows 7 and Windows 8.1 offered a completely free upgrade to the new operating system Windows 10.
But not everyone knows that free upgrade to Windows 10 so far. The fact that the program was extended for those who use the accessibility features of Windows, for example, narrator, high contrast settings, magnifier and so on.
Technically, any user of Windows 7 and Windows 8.1 can activate these special opportunities and to upgrade to Windows 10 absolutely free.
Free update you can make up to 31 December 2017.