Dell OptiPlex, Intel Core 2 Duo 2.9GHz Processor, 4GB Memory, 160GB Hard Drive, DVD, Windows 10, WiFi (Certified Refurbished) This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with relevant accessories, and may arrive in a generic white or brown box. Accessories may be generic and not directly from the manufacturer. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon What runs it: Windows 10 Home What is Inside: Intel Core 2 Duo 2.9GHz Processor - 160GB SATA Hard Drive What is Inside: 4GB RAM Memory - DVD Player What it includes: USB WiFi Wireless adapter,