If you’ve upgraded to Windows 10, you have a month to decide whether you like it. If not, Microsoft has made it easy to fall back to Windows 7 or 8.
The first step is, of course, to back up any information you currently have on your PC that you want to keep. Changing an operating system is a big thing, and data can often be lost along the way. You can use external hard drives, thumb drives, or some of the various online cloud storage such as OneDrive, Google Drive, Dropbox, or Tresorit, that offer lots of space for free. When you’ve safely copied any documents, video, photos, or other important data you need, you’re ready to begin.
If you’ve added any user accounts since upgrading, you’ll have to…