FAST PERFORMANCE REFURBISHED HP COMPAQ COMPUTER DESKTOP TOWER PC(Refurbished by Microsoft Authorized Refurbisher) Operating SystemWindows 10 Professional Windows 10 Home Premium Windows XP ProfessionalProcessorIntel Core 2 Duo Processor Hard Drive3.5 7200 RPM MemoryDDR2 Graphics CardIntegrated Graphics with VGA and DisplayPort Output Optical DrivesDVD-ROMCard Reader FloppyAudioIntegratedPower SupplyStandardWarranty3 MONTH HARDWARE WARRANTY (Please note first 30 days are money back guarantee. 60 days after 1st month qualify for replacement of defective hardware on computer only) Product Description: What is in the box? (1) HP Tower PC (Compaq DC5800DC5700)(1) Power Cord(1) Pre-installed Microsoft Windows (XP Pro, Windows 10 Home Premium or Windows 10 Pro), Office: Open Office Suite (Microsoft Office compatible), Microsoft Security Essentials(1) Keyboard and Mouse If you need USB WIFI please check other items in our store and add to your cart if you want Our hours of operation: Monday-Friday, 8am-4pm Pacific Time. Phone Number: 562-546-3355 Please Read - Important Information The images of the product are stock images and may vary slightly from the actual product you receive. Also, we do our best to be as accurate as possible in our product description and details. However, some information may vary slightly from the standard stock specifications that we use and provide. Product reviews: If you have issues with the item or you are not happy with your order; you can return an item in 30 days after arrival and request for an exchange or refund. RMA (Return Merchandise Authorization) : You must request RMA via email only within 5 business days after you receive an order.