[header] How to keep your pc running fast and smooth [title] Make sure you have a good set of hardware to meet minimum requirements. [step] Have a large capacity hdd and ram. Also, realize that all of the information on the drive that your current operating system is installed on (probably your c: drive) will be destroyed during this process. 
If there's anything you want to keep, you should back up the drive to keep files. To install : [substeps] Boot from the windows dvd or usb device.