The main reason you might need to create a disk image is to reinstall the operating system. The network runs a lot of assemblies, as well as images of official distributions, from which you can install any OS. Naturally, first you need to write this image to disk or other media from which installation is possible.
In addition, many large programs that have a paid license, as well as a large size, are usually not placed in .exe format. They have the extension .iso. But what if you yourself need to create an image of, say, a game that cannot work without the original disc, or, for example, you just need to copy the disc to a regular disc? Unfortunately, using Windows tools is quite difficult. But, fortunately, there are several programs with which creating an iso-image of a disk will not become a problem.
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2: Nero, 6 . , . Nero Burning ROM. DVD Copy. Image Recorder. , « ». .nrg. «» . , Daemon Tools .
3: Alcohol. . . , « ». .iso. , ISO. , . . .
Creating a disk image, in principle, can be done using Windows. This is a pleasure for more advanced users, however, and they, for the most part, prefer one of the proposed options. Naturally, this is not all the possibilities, in addition to the proposed methods, there are many others. Some of them may seem simpler, some may be more difficult, but they all serve the same purpose, so you should choose which one is suitable for a particular situation.