Hi, No, you can continue using the previous one if there are not much hardware replacements. http://windows.microsoft.com/en-US/windows7/activate-windows-7-on-this-computer If you have any issue when activating the system, you can consult our cusotmer service via: http://support.microsoft.com/ Thanks, Simon

Should be fine, though this isn't the right forum ;)Rajith Enchiparambil | http://www.howexchangeworks.com |

Do I have to buy a new Windows 7 key if I am doing a reload? My hard drive crashed. I have replaced the drive and must start over.