The demand for the 64-bit variant is obvious. By the early 2010s, gaming PCs were moving past the 4GB RAM limit of 32-bit systems. A 64-bit OS is non-negotiable for modern (or even late-2000s) gaming. The "Razer Edition" 64-bit ISO promises:
If you find a file named Win7_Razer_Edition_x64.iso, treat it as a curiosity for a virtual machine, not a daily driver. windows 7 razer edition 64 bit iso
Unlike a stock Windows ISO, these editions often come with a suite of software pre-installed or placed on the desktop for easy installation: The demand for the 64-bit variant is obvious