The Ultimate Guide: How to Download a Free Windows 7 ISO Legally and Safely
Microsoft's official website: Although Microsoft no longer provides direct downloads of Windows 7, you can still find the ISO files on their website if you have a valid product key. You'll need to enter your product key and select the correct version of Windows 7 to download.
Digital River: Digital River was a legitimate distributor of Windows 7 for Microsoft. Although they no longer sell Windows 7, you can still find the ISO files on their website. However, be cautious when downloading from third-party websites, as they might bundle the ISO files with malware or other unwanted software.
TechBench: TechBench is a website provided by Microsoft that allows users to download Windows 7, 8.1, and 10 ISO files. However, you'll need a valid product key to download the ISO file.
Downloading a Free Windows 7 ISO: A Step-by-Step Guide