I have a Mac running VMware Fusion 5.0.4 on OSX Mavericks, and I do not seem to be able to get past a certain point on installation on either of two installers I tried.
A (text) window comes up, labelled 'System Configuration Tool', with options of 'F2_Continue', 'F6_Help', and 'F9_Quit'. The text of the initial screen says, 'If your keyboard does not have function keys, or they do not respond, press ESC; the legend at the bottom of the screen will change to show ESC keys for navigation and other functions.'
I haven't been able to get past this screen or get any change to register in a way that makes a difference to the screen. F2, F6, and F9 do their usual Macintosh effects and nothing else I can discern; hitting escape, or manually hitting ^ + [, made no observable change.
I'm not sure how far I trust function keys under VMware, but escape has otherwise worked. Other forms of input, chiefly hitting return, have had the desired effect.
How under VMware Fusion on Mavericks can I get past this point of the installation? No VMware Tools have been installed on the VM; I haven't logged in or gotten past this point in setup.