2021, 5th Edition [Content Introduction] This book aims to help you develop basic knowledge of PC hardware, software, and security, enabling you to install commercial application software, configure internet connections, troubleshoot simple problems, and effectively use your computer at home or work. [Condition] Slight scuffs and creases on the cover. No folds or writing on the main body or pages; in clean condition. No obi. Please contact us if you require a receipt.