If you want to start over with a clean Windows installation, you will want to delete and reinstall it on your hard drive. Be sure to backup any important data or settings to an external drive first. From there your best bet would be to boot off the Windows installation CD and run the installation reformatting the existing partition in the process and creating a new one. Some out of the box
. computers do not come with the Windows installation CD, in this case you should have a Windows Recovery CD or a partition on the hard drive itself with the recovery files. Check out this web page for a more detailed how to on reinstalling Windows: http://www.cyberwalker.com/topic/36.
