Hi Rhys.Brook, Please boot from the Windows 7 Home Premium disk and follow the onscreen instruction to install the operating system. You can refer the following link for further assistance with the installation:[URL] You can continue using Windows7 after the installation completes or can also upgrade to Windows 8 by using the upgrade disk that you have already purchased.
Hey, thanks for taking the time to look at this post and to help me out.  At christmas i bought a Vibox pc without any software, i bought windows8 upgrade thinking it was the full version but i was mistaken, i recently bought Windows7 Home Premium, i'm not sure how to downgrade, can someone please help me? ~Rhys.Brook
Need help with downgrading from win8 to win7