The second bit of information, either x64-based processor or x86-based processor, indicates the hardware architecture. It's possible to install a 32-bit edition of Windows on either an x86 or x64 ...

[Evan] realized that Apple’s ARM-based Macs feature a high-quality x86 emulator, used via the Rosetta binary translation system. It only supports 64-bit x86-64 binaries, also known as x64 ...

The regular Program Files folder holds 64-bit applications, while "Program Files (x86)" is used for 32-bit applications. Installing a 32-bit application in a PC with a 64-bit Windows automatically ...