# Gavin Andresen
# 2011-11-28 20:13:02
# https://bitcointalk.org/index.php?topic=52734.msg633264#msg633264

The setup.exe is a "NSIS installer" @p{--} I think this will work (but I haven't tried it): @p{brk}

Code:
bitcoin-0.5.0-win32-setup.exe /S