image source: microsoft.com
But, with this secret trick You can still get free Windows 10 upgrade. Microsoft has introduced a "free upgrade offer extension" for Windows 7 and Windows 8.1 users who use assistive technologies. While, technically, the free upgrade offer for the general public has ended, Microsoft has introduced a loophole with this extension that lets anyone get Windows 10 for free.
To get this free Windows 10 upgrade, please follow this:
1. Download an EXE file from Microsoft's hidden away accessibility site (the size about 5.5 MB)
image source: microsoft.com
2. Then install this Windows 10 upgrader.
3. Follow the step as usual free upgrading even the Windows 10 upgrade will commence without any checks.
Note: You need an internet connection during the upgrade process until finish.
