The bots and mods ARE NOT SUPPLIED with MBL. It's just a launcher.
Check the Links page to download them.
Note : the download links don't work with Netscape.
MBL Upgrade from 16.1 to 16.2 (1.10 Mo - previous MBL 16 users only)
MBL 16.2 Full Install (3.25 Mo - for new users and users of MBL 15 or lower).