If you plan to connect your Windows 7 machine to the internet, proceed with extreme caution.
Unofficial ISO files hosted on torrents or third-party file-sharing sites are often modified to include malware, ransomware, or spyware. ⚠️ The Massive Security Risk of Using Windows 7
Microsoft has completely removed all public, official download repositories for Windows 7.
Do not connect the machine to your home or work network.
If you come across a third-party website offering a "Free Download" of Windows 7 Ultimate:
Before you click on the first "Free Download" link you see in search results, there are critical security and legal realities you need to know. 🛑 The Reality Check: Is There an Official Free Trial?
To use an ISO file, you cannot simply copy it to a flash drive. You must use a specialized tool to make the drive "bootable." Windows 7 Full Setup With All Updates and Apps in 2024
Microsoft no longer offers official trial downloads or support for Windows 7.