So, let's talk about Windows imaging format - this is a way that Windows can make a big copy of all the stuff that's on your computer, like all your files, and settings, and programs.
Think of it like taking a Polaroid picture of everything on your computer screen, but instead of having to save each file or program one-by-one, you can get a big snapshot of everything all at once.
You might use this Windows imaging format when you want to move everything from an old computer to a new one or if you want to make a backup copy of your computer in case something bad happens to it.
And when you make this big snapshot, it will save everything just as it is at that particular moment. So if you create a Windows image one day and then add new files or programs to your computer the next day, those won't be in the image unless you make a new one.
Overall, Windows imaging format is a helpful tool for making a copy of everything on your computer, like taking a photo so you can remember exactly what your computer looks like.