The outcome of each modification will vary to each PC's. I had focused on the XP OS machine regardless of my experience on the individual setup and trouble shooting. Please do not perform any of this modification if you're not sure and please back up your system first before attempting to modify the XP OS system. 1. Disable Unnecessary Services that is install in your system. 2. Defragment Your Pagefile(Harddrive) Keeping your pagefile defragmented can provide a boost performance...