!macro preInit
    SetRegView 64
    WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES64\flightgear-airports"
    WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES64\flightgear-airports"
    SetRegView 32
    WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES32\flightgear-airports"
    WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES32\flightgear-airports"
!macroend