http://www.blackviper.com/os-install-guides/windows-xp-professional-install-guide/ ----> Win xp installation step by step
http://mygeekreview.blogspot.in/2009/01/installing-windows-7-step-by-step.html -> Win 7 Installation step by step
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http://www.petri.co.il/ultimate-guide-to-installing-windows-7.htm ----> Windows 7 Installation step by step
http://www.windowsnetworking.com/articles_tutorials/wxpinstl.html --> Win xp installation step by step
http://www.getpcmemory.com/microsoft/how-to-install-windows-xp-step-by-step-guide-to-clean-installation-of-xp/ ---> win xp installation step by step
http://www.sensible-computer-help.com/computer-hardware-troubleshooting.html --> computer hardware problems
http://www.sensible-computer-help.com/computer-questions.html ---> computer problems and solution
http://www.teacherclick.com/winxp/t_2_1.htm ----------------> win xp excerise
http://www.karbosguide.com/books/winxpbeginner/chapter02.htm ---------->win xp beginner guide
http://www.reading.ac.uk/web/files/its/WindowsXP2.pdf -------------->xp tutorial guide
http://www.top-windows-tutorials.com/windows-7-tutorial.html-------%3Ewindows 7 tutorial
http://www.free-computer-tutorials.net/ ------------------> Windows 7 tutorial
http://mygeekreview.blogspot.in/2009/01/installing-windows-7-step-by-step.html -> Win 7 Installation step by step
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http://www.petri.co.il/ultimate-guide-to-installing-windows-7.htm ----> Windows 7 Installation step by step
http://www.windowsnetworking.com/articles_tutorials/wxpinstl.html --> Win xp installation step by step
http://www.getpcmemory.com/microsoft/how-to-install-windows-xp-step-by-step-guide-to-clean-installation-of-xp/ ---> win xp installation step by step
http://www.sensible-computer-help.com/computer-hardware-troubleshooting.html --> computer hardware problems
http://www.sensible-computer-help.com/computer-questions.html ---> computer problems and solution
http://www.teacherclick.com/winxp/t_2_1.htm ----------------> win xp excerise
http://www.karbosguide.com/books/winxpbeginner/chapter02.htm ---------->win xp beginner guide
http://www.reading.ac.uk/web/files/its/WindowsXP2.pdf -------------->xp tutorial guide
http://www.top-windows-tutorials.com/windows-7-tutorial.html-------%3Ewindows 7 tutorial
http://www.free-computer-tutorials.net/ ------------------> Windows 7 tutorial