Bongo 1.0 can be installed by a scripted installation. To do that you can use the commands on the following page: http://wiki.mcneel.com/flamingo/scriptinst_v3_fla11
The page is written for Flamingo and Rhino, but Bongo 1.0 uses the same commands.
The only command that's not mentioned on the page is the /s.
It tells the installer to run silently (if you want that). This eliminates all dialog boxes.
For example, you can use the following line for a silent install:
C:\>bongo.exe /s /autoinstall /language=“English” /key=XXXXYYYYZZZZ