How to determine for which operating system the program is x32 or x64?

Question

Windows

For example, on the official website of evernote, when downloading it, you are not given the right to choose the version of the program (x32 or x64).
1) How to determine for which operating system the program is x32 or x64?
2) Can x32 programs run on x64 Windows?
OS: Windows 7.

Answer 1

2. yes 1.
You can use utilities that can view PE (exe) files - google "pe viewer". If x64 program is run on x32 Windows, then it will not start.

Answer 2

I can also say that for many application programs there is no point in a separate 64-bit version, 32-bit ones work without problems under 64-bit Windows, and high performance is usually not needed for most of these programs.

Answer 3

ida-freewares.ru/kak-uznat-32-ili-64-bitnaya-progr...