You probably want to save cost in maintaining your Windows' Personal Computer! This step by step Windows Operating System manual will help you achieve that and also improve your computer skills too.With this book, you will quickly learn and acquire the skills to understand and effectively get the best from your Windows Operating System Personal computer.*Windows Operating System Overview*Windows Operating System Installation*Basic Windows Operating System Operations (Tasks)*Control Panel applets and their functions*Disk Defragment*Disk Partitioning*Windows Operating System Upgrade*System Restore*How to Clean up a Virus Infested Personal Computer*Disk Formatting.