By A Mystery Man Writer
How to check if your Mac's software is 32- or 64-bit
Mac Pro - Wikipedia
MacBook Air (Intel-based) - Wikipedia
How to check for 32-bit apps (macOS) – ITS News
How to Tell if Mac is Running a 32-bit or 64-bit Kernel in Mac OS X
Is My Mac 64 Bit or 32? Quick Guide To Find Out - The Mac Observer
What are 32-bit and 64-bit apps, and why do they matter? - The Mac Security Blog
Identify your MacBook - Apple Support
macos - Mac OS X: How can I tell if I'm in 64-bit mode? - Super User
Compare The Speed Of New M1 MacBook Pros To 2013 And 2017, 46% OFF
macOS - Wikipedia