Installing 7.10.1 (CST13aPUL) on 10.9.4

While installing Cincom VisualWorks on a different Macintosh,

I decided to read and follow the installation guide. 

I downloaded the .iso and double-clicked that to mount it.

I found some improvement possibilities:

  p 1-2 Support for Mac OS 10.8, 10.9 (and soon 10.10) is missing in both Aqua and X11

 2 p2-1 On my 10.9.4 iMac 11.1, double-clicking on installMacOSX.command doesn't work.

  The installer crashes. Doubleclicking autorun works.

3 When selecting Components to install, the selection can get confused.

  I deselected COM, then the one below it and on top of that COM was drawn.

4 The default directory that is selected where the installation options can be saved is the (read-only)

  mounted .iso. The dialog title is 'Open File' while it is saving a file. There is no possibility to

  create a folder. 

Stephan