this article Show you How to Get and Upgrade to Windows 10 to do that watch the video or follow this simple steps:
1- You will need to install all of updates for the current version of Windows you have on your Computer. If you’ve set up automatic updates, you should be all set, but check first. On Windows 7, go to Start, Control Panel, System and Security and Windows Update. On Windows 8 and 8.1, go to Start, PC Settings, Update and recovery, and Windows Update. You may need to check for and install updates several times to finish this process.
2- Wait for the Windows 10 prompt When your computer has the latest updates, you’ll need to wait for a Windows icon to pop up in the taskbar on your desktop, letting you know you can reserve Windows 10. Follow the directions on the screen to let Microsoft know that you would like the Windows 10 update. When you’re finished with the reservation process, you need to wait for Microsoft to automatically send Windows 10 to your computer, a process that can take several Time When it’s time to install the update, you will get a notification on your computer.