DECLARE Long GetCurrentProcess IN WIN32API DECLARE Long IsWow64Process IN WIN32API Long hProcess, Long @ Wow64Process lnIsWow64Process = 0 llIs64BitOS = .F. IF IsWow64Process( GetCurrentProcess(), @lnIsWow64Process) <> 0 llIs64BitOS = (lnIsWow64Process <> 0) ENDIF ? llIs64BitOS