Windows 7 is a great operating system, but sometimes it needs to be reformatted. Reformatting your computer will erase everything on your hard drive and restore the computer to its original factory settings.

If you want to reformat Windows 7 with a CD, you’ll need to create a bootable CD. To do this, you’ll need a blank CD and a copy of the Windows 7 ISO file. The ISO file is available from Microsoft’s website.

Once you have the ISO file, you’ll need to open it with a program like WinRAR or 7-Zip. This will create a folder called “bootable.” …