People may want to delete their computer operating system for different reasons. It may be because they want to update their computer, or maybe it has become infected with a virus. The cost of deleteing a system and restoring windows may be very expensive, so why not learn to do it yourself. It is very important to make a backup copy of important files you don't want to lose. You can find
. step-by-step instructions on how to delete computer operating systems by visiting: http://www.ehow.com/how_4558992_delete-computer-operating-system.html. You will save lots of money on computer repairs by doing it yourself.