https://www.pcworld.com/article/2013667/8-worst-windows-8-irritations-and-how-to-fix-them.html
http://www.zdnet.com/five-ways-to-skip-windows-8-7000001753/
http://www.zdnet.com/how-to-skip-windows-8-and-continue-using-windows-7-7000001734/
http://www.pcworld.com/article/2013011/why-you-shouldn-t-upgrade-to-windows-8.html
http://www.microsoft.com/oem/en/licensing/sblicensing/pages/downgrade_rights.aspx
http://www.howtogeek.com/133168/how-to-downgrade-windows-8-pro-to-windows-7/
http://www.cnet.com/how-to/how-to-back-up-and-restore-your-windows-8-start-screen-layout/
If something happens to your Start screen layout and you want to restore it, just copy the backup files back to the original location and overwrite the files already in the folder.