1) Go to 'My Computer' and click 'OS Disk'
2) Click 'Windows' folder
3) 'System32' folder
4) Then click 'Drivers'
5) And 'etc'
6) Click on 'Hosts' and when the option appears, select 'Notepad'
7) Notepad will bring up the Host file where you can add the entry on, for QA and Preview the entry is: 172.20.106.21 preview.virginwines.co.uk qa1cc.virginwines.co.uk qa1vw.virginwines.co.uk