There is no legitimate Microsoft product called "Windows 7x4." This appears to be a typo or a mislabeled, potentially dangerous unofficial build. The official versions are Windows 7 x86 (32-bit) or x64 (64-bit). Searching for "Windows 7x4" could lead you to:
Before downloading, make sure your system meets the minimum requirements for Windows 7 x64: Windows 7x4 Iso Download BETTER
Custom versions like "7x4" or "Super-Nano Lite" often include the following modifications: Reduced Footprint There is no legitimate Microsoft product called "Windows 7x4
: The standard 64-bit version of Windows 7 capable of handling more than 4GB of RAM. To install Windows 7 from the ISO file,
To install Windows 7 from the ISO file, you'll need to create a bootable USB drive. You can use tools like:
: If you have a valid, retail product key, you can try the Microsoft Download Center. Note: This service is often unavailable for OEM keys (pre-installed on laptops) or older licenses.