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)...
32-Bit vs. 64-Bit OSes: What's the Difference? | PCMag
https://www.pcmag.com/news/32-bit-vs-64-bit-oses-whats-the-difference
64-bit computing features many other improvements, though in ways that may not be noticeable to the naked eye. Wider data paths, larger integer sizes, eight-octet memory addresses.
64 bit - What is the difference between a 32-bit and... - Stack Overflow
https://stackoverflow.com/questions/4552905/what-is-the-difference-between-a-32-bit-and-64-bit-processor
64-bit processors can come in dual core, quad core, and six core versions for home computing (with Another big difference between 32-bit processors and 64-bit processors is the maximum amount of...
How to Determine If You Have a 32-bit or 64-bit CPU
https://www.computerhope.com/issues/ch001121.htm
However, 64-bit processors can run either the 64-bit or 32-bit versions. To determine if the version of Windows on your computer is 32-bit or 64-bit, choose your version and follow the steps.