- 
    Bug 
- 
    Resolution: Done
- 
    P2: Important 
- 
    5.0.1
- 
    None
- 
    qt-windows-opensource-5.0.1-mingw47_32-x86-offline-2013-01-25-419.exe
- 
        c4f12eaad425dd19e8f50accb5058d0d87c8b008
From the README of the binary installer (419 opensource)
"
The default top-level installation directory is the directory "Qt<version>" in
your home directory
"
In fact on windows, the default folder is C:\ .