There can be many valid reasons for reinstalling Microsoft Windows on your gear.
If you have such a collection, then its better to take a backup of those files.
Also, reinstalling Windows is a good time to clean up unwanted files from your system.
Take a backup of the bookmarks on your web browsers by using the export bookmark feature of your browsers.
you’re free to easily export bookmarks and then import them to your favorite browsers after reinstalling Windows.
New versions of a program are usually better in compatibility with the higher versions of the Windows OS.
Since, you are upgrading your Windows its better to upgrade your applications as well.
Make a list of all such usernames, passwords, serial numbers, license codes, etc.
so that after reinstall you’re free to easily get access to all your favorite websites and applications.
While taking backup you might create an Excel spreadsheet for storing this information.
Using WordPad or Notepad can be risky as you cannot secure such files with a password.
Such drivers may include sound driver, video driver, motherboard driver, printer driver, etc.
you might backup drivers in a CD, DVD, pen driver, etc.
When deciding what to backup before reinstalling Windows you should keep in mind the objective of the whole exercise.
