Can't reserve your free copy of Windows 10 due to the missing update icon on the taskbar? Try this..
Fix to bring back Windows 10 Reservation System If you don't see the Get Windows 10 app (the small Windows icon in your system tray), it might be because: Your device isn't up-to-date with at least Windows 7 SP1 or Windows 8.1 Update Windows Update is turned off or is not set to received updates automatically You've blocked or uninstalled the necessary Windows Update functionality. Your device is not running genuine Windows Your device is running Windows 7 Enterprise, Windows 8/8.1 Enterprise, or Windows RT/RT 8.1, which are excluded from this reservation offer. Your device is managed as part of a school or business network. (Check with your IT administrator.) PCs that we determine cannot run Windows 10 will not see the Get Windows 10 app before July 29th. After July 29th, we'll enable the icon in the system tray. This is to help ensure that you can easily check your PC's compatibility if you choose. Running Windows Update and installing any available