Get Windows 10 App Troubleshooter
If you’re one of those, Microsoft has released a troubleshooter which will find and fix problems that prevent Get Windows 10 App from appearing in the system tray. Download it and run on your PC. If you see the icon, click on it and reserve your spot to get in the queue with reserved users to upgrade to Windows 10. You’ll be notified when the upgrade is available for your computer.http://cdn.techdows.com/wp-content/uploads/2015/07/Get-Windows-10-app-troubleshooting-tool-300x231.png
Download Troubleshooting tool for Get Windows 10 app
Check this page for more information.
Full Article