The 32-bit version works on both 32-bit and 64-bit Windows but cannot address large memory spaces. Only download the 32-bit version if you are running an old 32-bit OS (e.g., Windows XP 32-bit).
The standard 32-bit version works great but hits hard walls on 64-bit Windows systems. Stepping up to the FreeCommander 64-bit release gives you: freecommander xe 64bit download full