How can I uninstall windows 10 in a Sony Vaio laptop?, how can I do it?

[WPCentral Question]

I made a mistake I have installed Windows 10 in a Sony Vaio. I didn't read the notice from Vaio not to install yet the Windows 10. Anyways anyone can help how to uninstall windows 10? nad go back to Windows 8?

 

[arjan wolthuis]

Go to settings,>update and recovery>system restore