"Get Windows 10" app released by Microsoft for Windows 7 and Windows 8.1 users. This new app will help Windows 7 and 8.1 users in upgrading to Windows 10 for free when Windows 10 is released to public.
Only genuine versions of Windows 7 (Starter, Home, Professional, and Ultimate) and Windows 8.1 (Phone, regular, Pro, and Pro for Students) are eligible for the free upgrade to Windows 10.
If you are running Windows 7, be sure you have installed SP1. Windows 8 users have to upgrade to Windows 8.1 Update. In both cases, install all the latest mandatory updates and reboot your computer.
Windows 7 Enterprise, Windows 8/8.1 Enterprise, Windows RT or Windows RT 8.1 are not supported by free Windows 10 upgrade offer.
If your computer is a part of a domain or network, you'll not get Windows 10 upgrade icon.
If you are sure that none of the above mentioned points apply to you and still you cant see “Get Windows 10? reserve Icon, following methods will help you in getting "Get Windows 10" icon in Taskbar.
It might be possible that the Windows 10 upgrade icon is present in Taskbar but its hidden. Right-click on the date/time in Taskbar system tray and select "Customize notification icons" option. It'll open a new window. Now enable "Always show all icons and notifications on the taskbar" checkbox and it'll show all icons in Taskbar.
1 ) open Notepad, and copy & paste the code below