Original resources: http://www.techquark.com/2012/03/ultimate-guide-to-reinstall-windows.html
There are several reasons why you might be thinking about reinstalling your operating system, for example if your hard drive has failed or you're upgrading to a larger device. Perhaps, your PC keeps crashing and no amount of cleaning or tinkering seems to fix it. Or maybe you're just missing the super-speedy performance you enjoyed when your computer was new and want to revitalize its sluggish system by reinstalling it. Whatever your reasons, there are clear benefits to start afresh. Over this post, we'll guide you through the process, from preparation to execution.
Plan ahead
Reinstalling Windows is not a task to be undertaken lightly and it requires a fair amount of preparation. Start by making a list of all the programs you regularly use, and make sure you have all the necessary installation discs and set-up programs to hand, along with the license details.
If you have software that uses add-ons or plug-ins, such as your browser, make a note of those, too.
You can check you haven't missed anything by auditing your system with
Belarc Advisor. The program scans your computer and produces a detailed report, listing every program on your hard drive, along with the details of any stored software licenses. Print a copy or save it somewhere safe, such as on a USB flash drive.
If you have a lot of free software installed, use the FileHippo.com Update Checker to compile a list of programs, complete with download links to the latest versions. Run the program, right -click the icon in the System Tray and go to Settings. Click the Results tab, then 'Show all programs, not just the ones that need updating'. Save the changes, right-click the icon again and select 'View results'. Now save the page somewhere safe.
Most importantly, make a note of the password and username for your internet connection and email settings, which you may need to get back online later. Also write down the POP3 and SMTP servers you use for email.
Back up everything
It's vital you make a copy of all your personal data, because you won't be able to get it back once you've formatted your disk and reinstalled Windows. The built-in Windows back-up tool can copy any document s, photos, videos, music tracks and so on, but there are other important things you will need to save, including emails, browser bookmarks, user settings, d rivers and any additional fonts you may have installed. MailStore Home can take care of your messages, and Chrome and Firefox both have built-in sync tools that save all your important browser data online. You can make a copy of your hardware drivers using DriverMax.
It's important to back up everything on your computer, including hardware drivers, before you start your reinstall
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