If you're like me and the free Windows 10 upgrade still isn't ready, check out the work-around in this article:
http://venturebeat.com/2015/07/28/how-to-force-windows-to-start-downloading-the-windows-10-update-files/
It seems to work.
Edit:
The update failed and after restarting it and the computer I still have Windows 8. Oh well, I won't upgrade then after all. My computer is working fine, no need to risk its good functionality for a no-advantages OS.
http://venturebeat.com/2015/07/28/how-to-force-windows-to-start-downloading-the-windows-10-update-files/
It seems to work.
Edit:
The update failed and after restarting it and the computer I still have Windows 8. Oh well, I won't upgrade then after all. My computer is working fine, no need to risk its good functionality for a no-advantages OS.