Microsoft no longer hosts Windows 7 ISOs on their main website. However, a legal alternative remains:
An is a single file that is an exact copy of a DVD or CD. A Windows 7 ISO contains all the installation files for the operating system. You cannot simply copy files to a USB—you need to “burn” this ISO to a DVD or write it to a USB drive to make it bootable. windows 7 iso image download
Security is the biggest risk when downloading an operating system from a non-Microsoft source. A compromised ISO could contain pre-installed malware or keyloggers. To stay safe: Microsoft no longer hosts Windows 7 ISOs on