There are 3 versions of Windows 7 that you can download legally and from the official Microsoft site, all depending on the equipment you have and some other additional features to pay attention to. We are definitely not talking about an activity that involves piracy, but about a possibility of power have this operating system backed up on our hard drive and in an ISO image. From now on, this alternative can be legally executed thanks to the fact that Microsoft has released the respective links so that anyone can download the version that they are most interested in having on their PC. This news can be positioned quickly in the different search engines, since a large number of people are still looking for the way to have the Windows 7 ISO image absolutely free.