En-windows-7-ultimate-x64-dvd.iso -

Always run a SHA-1 check on any downloaded image against official MSDN documentation before running the installation wizard.

The 64-bit architecture of Windows 7 Ultimate required a shift in hardware capability compared to its predecessors. Below are the official minimum hardware requirements alongside the practical limitations of the OS: Hardware Component Official Minimum Requirement Practical / Maximum Limit 1 GHz or faster 64-bit (x64) CPU Supports up to 2 physical CPUs Memory (RAM) Up to 192 GB Hard Disk Space 20 GB available space Multi-terabyte volumes (GPT boot requires UEFI) Graphics Card DirectX 9 graphics device with WDDM 1.0 Supports DirectX 11 natively The Architecture: Why the x64 Version Prevailed

The Legacy of Windows 7 Ultimate: Understanding the Iconic ISO

"This file is the installer. You will need to flash this image to a USB drive or burn it to a DVD to begin the installation process."

: Indicates that the primary user interface, system files, and default language pack are English (United States).

Are you planning to install this on or within a virtual machine ?