The very first step of yours should be making a backup copy of all those important files, documents and other desirable data, which you fear may loose during the process of reformatting. In addition to it, you require a copy of your installation software, which is usually provided with the computer at the time of purchase. These copies include your current operating system and all those software for the programs used by you.
One more thing you need to do is to make a boot CD using control panel on your computer. This CD is helpful in helpful in booting the computer.
Now, you are all set to follow the steps to reformat your operating system. Ensure to follow the complete instructions by installing the system to the hard drive (usually drive C). In case, you are not very sure of doing the task confidently on your own, then you must take your computer to an expert you do not want to land yourself in a fix with a useless box full of complications.
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