Once you've downloaded the ISO image, you'll need to create a bootable USB drive or DVD:

Previously, Microsoft hosted Windows 7 ISOs on their "Software Download" page. You were required to enter a valid 25-character product key to unlock the download.

(for developers)

Microsoft ended mainstream support for Windows 7, making official downloads difficult to find. However, you have two primary options:

Windows 7, released in 2009, was a popular operating system known for its user-friendly interface and robust performance. Although it's no longer supported by Microsoft, many users still prefer it for its familiarity and compatibility with older software. If you're looking to download a 64-bit ISO image of Windows 7, this guide will walk you through the process.

If you share your (e.g., “I have a valid key but Microsoft’s site rejects it”), I can provide more targeted advice. But I cannot provide direct download links or help with piracy.