How do I know if I downloaded 64-bit version

Avast Free Antivirus / Premium Security
1

Hi

I downloaded avast home edition but I can’t figure if I downloaded 64bit version or 32 bit version since on the download page it never asks me which version I want. So how can I tell what version I am running.

2

With due respect to the people of Hong Kong.

“One Installer, Two Platforms”

See: http://www.avast.com/eng/x64.html