If the ISO is a standard Windows 7 SP1 image, the official Microsoft utility works well, though it is older.
While these files are valuable for historians and those running legacy hardware, they come with significant caveats: 2014drepackiso
Antivirus software often flags "cracks" (the files that bypass DRM) as threats, even if they are clean. Distinguishing between a "false positive" and a real virus requires caution. Installation Time: If the ISO is a standard Windows 7