All of our desktops have been tested and refurbished to be ready to go when they arrive at your home or business. A keyboard, mouse, and power cord is included with every machine. All computers with Microsoft Windows installed include a recovery partition so you can easily get a fresh start with your PC at any time. We are a Microsoft registered refurbisher and all of our machines meet their refurbishment standards. If you're interested in having the memory or hard drive customized, please don't hesistate to contact us for recommendations or pricing.