64-bit computing - Wikipedia
https://en.wikipedia.org/wiki/64-bit_computing
In computer architecture, 64-bit integers, memory addresses, or other data units are those that are 64 bits (8 octets) wide. Also, 64-bit central processing unit (CPU) and arithmetic logic unit (ALU)...
Download Windows 7 Ultimate 64-bit EN - You Windows World
https://www.youwindowsworld.com/en/downloads/operating-systems/windows-7/windows-7-ultimate-x64-sp1-english
Windows 7 Ultimate 64-bit with SP1 English (USA), ISO bootable image. Windows 7 system requirements. 1 gigahertz (GHz) or faster 64-bit (x64) processor.
64-Bit & 32-Bit: What Do They Mean?
https://www.lifewire.com/32-bit-64-bit-2624554
64-bit hardware and software is often referred to as x64 or x86-64. 32-bit systems utilize data in A 64-bit processor can handle 64 bits of data at once, which allows it to compute information faster...
32 bit vs 64 bit: Key Differences
https://www.guru99.com/32-bit-vs-64-bit-operating-systems.html
32-bit processors need a 32-bit operating system whereas 64-bit processors can run either on 32 or 64 64-bit operating systems. 32-bit processors is not an ideal option for stress testing and...